row_id
int64
0
36.7k
QuestionId
int64
31.8k
109k
QuestionText
stringclasses
15 values
MC_Answer
stringclasses
49 values
StudentExplanation
stringlengths
1
586
Category
stringclasses
6 values
Misconception
stringclasses
35 values
28,000
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
she has two thirds of a cake and robert eats one third which is two thirds takeaway one third
False_Misconception
Subtraction
28,001
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
she’s got 2/3 and you’re taking away one third so that would give you your answer
False_Misconception
Subtraction
28,002
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
since robert eats 1/3 it would become 2/3-1/3
False_Misconception
Subtraction
28,003
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
since robert is eating 1/3 of it, it would become 2/3-1/3
False_Neither
null
28,004
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
since they have the same denominator 2/3-1/3=1/3
False_Misconception
Subtraction
28,005
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
so you have tecontlny have 2and you need to take away1and are the 3denominated on top
False_Neither
null
28,006
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
some of the cake has been eaten so you have to use take away.
False_Misconception
Subtraction
28,007
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
sslly has 2/3 of cake robert eats 1/3 of the 2/3 so u have to do 2/3 - 1/3
False_Misconception
Subtraction
28,008
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
take away 1/3 from 2/3 because robert ate one third of the cake.
False_Misconception
Subtraction
28,009
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
that is what happend so it has to be the answere
False_Neither
null
28,010
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
that's what u get if u subtact 2 by 1
False_Misconception
Subtraction
28,011
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the 2/3 have taken away 1/3 so it would be 2/3-1/3.
False_Misconception
Subtraction
28,012
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer is 1/3 and 2/3 - 1/3 equals 1/3
False_Misconception
Subtraction
28,013
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer is d because 2/3 - 1/3 = 1/3 and sally only had 2/3 of a cake so robert would only have eaten 1/3.
False_Misconception
Subtraction
28,014
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer is d because 2/3 take away 1/3 is 1/3
False_Misconception
Subtraction
28,015
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer is d because robert ate 1/3 of 2/3 so the equation is 2/3-1/3 so in conclusion the answer is d.
False_Misconception
Subtraction
28,016
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer is d because the answer for the equation is 1/3 and that is the fraction of the whole cake robert has eaten
False_Misconception
Subtraction
28,017
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer is d because you are subtracting because he has eaten one half of the cake 🍰.
False_Neither
null
28,018
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer is d because you have to find out the difference
False_Misconception
Division
28,019
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer to d is 1/3 and 2/3 _1/3 is 1/3
False_Misconception
Subtraction
28,020
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the answer to this question is d because if you need to have 1/3 away from 2/3 it is the same as 2/3-1/3.
False_Misconception
Subtraction
28,021
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the both have 3 at the bottom so its easier
False_Neither
null
28,022
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the cake has got smaller because a piece has been taken away
False_Misconception
Subtraction
28,023
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the cake started 2/3 and he only ate 1/3
False_Neither
null
28,024
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the cake started of with 2/3 then robert ate 1/3 so you are taking away.
False_Misconception
Subtraction
28,025
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the correct number sentence to solve the word problem should be d, 2/3 - 1/3. the answer would be 1/3.
False_Misconception
Subtraction
28,026
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the denominator stays the same and the numerater is different
False_Neither
null
28,027
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the denominators are both the same so you just need to subtract the numerators. 2 - 1 = 1
False_Misconception
Subtraction
28,028
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the number sentence would be d because he has eaten so it would be a subtraction.
False_Misconception
Subtraction
28,029
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the original amount ( 2/3) minus what robert ate ( 1/3) , the number sentence will be 2/3 - 1/3 which is d.
False_Misconception
Subtraction
28,030
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the reason is because he eats 1/3 so you have to take away
False_Misconception
Subtraction
28,031
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the whole cake has 3 pieces and robert has eaten one piece .
False_Neither
null
28,032
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
the whole cake is 3/3 so he has eaten 1/3 of the whole cake and 2/3 - 1/3 = 1/3
False_Misconception
Subtraction
28,033
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
their is2/3 of the cake and because robert ate 1/3 you must take away 1/3 from 2/3
False_Misconception
Subtraction
28,034
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there are 2/3 of cake. if robert eats 1/3, you take away, so the answer is 2/3-1/3
False_Misconception
Subtraction
28,035
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there are 2/3 of the cake in the fridge and he eats 1/3 and 2/3 - 1/3 = 1/3.
False_Misconception
Subtraction
28,036
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there are 2/3 which robert is going to take from so he is taking away
False_Misconception
Subtraction
28,037
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there are 2/3, robert eats 1/3, meaning there is 1/3 less of the piece=-1/3=2/3-1/3
False_Misconception
Subtraction
28,038
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there are 2/3. if he eats 1/3 then you get 1/3. there are two possible answers but the way the question is worded you can only pick d,not b.
False_Neither
null
28,039
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there are two bits and he ate one
False_Neither
null
28,040
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there is 1/3 left because robert ate 1/2 of the cake
False_Neither
null
28,041
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there is 1/3 of the cake left
False_Neither
null
28,042
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there is 2/3 and you need to subtract 1/3.this leaves you with 1/3 2/3-1/3=1/3
False_Misconception
Subtraction
28,043
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there is 2/3 in the fridge and he eats 1/3 so it takeaway
False_Misconception
Subtraction
28,044
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there is 2/3 of a cake and you find out the fraction than robert ate by doing 2/3 - 1/3
False_Neither
null
28,045
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there is 2/3 of a cake left and he ate 1/3 so you subtract.
False_Neither
null
28,046
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there is only two thirds there, so if he eats 1/3 of that amount then you would subtract 1/3 from 2/3
False_Misconception
Subtraction
28,047
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there is two thirds and one third is taken away
False_Misconception
Subtraction
28,048
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there was 2 3s and he ate 1 3rd
False_Neither
null
28,049
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there was 2/3 he ate 1/3 so there was 1/3 left
False_Misconception
Subtraction
28,050
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there was 2/3 in the fridge and robert ate 1/3 of that so you have to do 2/3-1/3
False_Neither
null
28,051
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there was 2/3 of the cake originally and 1/3 was taken away
False_Misconception
Subtraction
28,052
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there was 2/3 of the cake so if you eat 1/3 you are left with 1/3
False_Misconception
Subtraction
28,053
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there was 2/3 then he took 1/3 so that would be 2/3 - 1/3
False_Misconception
Subtraction
28,054
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there was two thirds to start with.robert ate one third of the cake so the question that would answer this question would be two thirds minus one third.
False_Neither
null
28,055
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there were 2 thirds and he ate a third so now there is 1 third
False_Misconception
Subtraction
28,056
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there were 2/3 of the cake and robert eats 1/3
False_Neither
null
28,057
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there were originally 2/3 of the cake and robert ate 1/3 so the final amount of cake is 2/3 -1/3
False_Neither
null
28,058
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there would be 1third left after robert eating a slice
False_Neither
null
28,059
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there's 2/3 in fridge take away 1/3
False_Misconception
Subtraction
28,060
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
there's used to be 3/3 but now there is 2/3 but they eat 1/3 so 2/3 -1/3 = 1/3
False_Misconception
Subtraction
28,061
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is as 2 thirds takeaway 1 third =1 third
False_Misconception
Subtraction
28,062
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is because 2/3 minus 1/3 is 1/3 and the word problem i chose is the only one that shows that
False_Misconception
Subtraction
28,063
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is because 2/3 of the cake are left, therefore if robert eats another 1/3 this 1/3 has to be subtracted from the original 2/3
False_Neither
null
28,064
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is because he eats the cake so he is subtracting.
False_Misconception
Subtraction
28,065
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is because sally had 2/3 and 1/3 is taken away.
False_Misconception
Subtraction
28,066
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is because sally has 2/3 of a cake. robert then eats 1/3. to work out how much he ate you would do 2/3 - 1/3.
False_Neither
null
28,067
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is because there in total were 2 3rds 1 3rd.
False_Neither
null
28,068
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is because there was 2/3 in the fridge and robert ate 1/3. it is subtracting what robert ate of the cake.
False_Misconception
Subtraction
28,069
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is the answer because 2/3-1/3=1/3 and the formula is 2/3-1/3
False_Misconception
Subtraction
28,070
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is the answer because if sally has 2/3 of a cake and robert eats a 1/3 of it, he is, in essence, taking away from the whole of the cake, so minus is the only viable answer
False_Misconception
Subtraction
28,071
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is the answer because sally starts with 2/3 of a cake then robert eats 1/3 so it means the number sentence is 2/3 - 1/3.
False_Misconception
Subtraction
28,072
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this is the answer because you need to figure out the fraction of the cake when half of the portion of the cake had been taken.
False_Misconception
Subtraction
28,073
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
this would solve this question because if you take what robert ate away from 2/3 it gives you the answer of 1/0
False_Neither
null
28,074
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
to find the answer you must subtract the amount originally had by the amount taken away.
False_Misconception
Subtraction
28,075
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
to solve it, you would have to do 2/3 - 1/3.
False_Neither
null
28,076
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
to work it out you would take it away because it says he eats and when he eats something it goes
False_Misconception
Subtraction
28,077
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
two thirds - one third is one third
False_Misconception
Subtraction
28,078
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
two thirds left, minus one third that robert has eaten.
False_Neither
null
28,079
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
two thirds take one third is a third, and that's how much cake he ate.
False_Misconception
Subtraction
28,080
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
um so 2 is the cake at the moment um so they -- eat one third of it so the calculation is 3 2/3 - 1/3
False_Misconception
Subtraction
28,081
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
we know he has eaten 1/3 of the cake and the only calculation that gets that answer is d.
False_Misconception
Subtraction
28,082
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
well if he eats one third of two thirds it kind of has to be d
False_Neither
null
28,083
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
well if one third was eaten then it would be gone.
False_Neither
null
28,084
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
well she started off with two thirds and then one of those three pieces will be taken away and leaves her with one third remaining
False_Misconception
Subtraction
28,085
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
what fraction of the whole cake has robert eaten not 2/3 so 2/3-1/3 = 1/3
False_Misconception
Subtraction
28,086
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
when he eats a piece it has been taken away
False_Misconception
Subtraction
28,087
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
when robert is eating it he is essentially taking away one third of the cake. the calculation you should do is two thirds take away one third.
False_Misconception
Subtraction
28,088
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you are losing a portion of the cake so its subtraction
False_Neither
null
28,089
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you are sopost to 2/3-1/3=1/3= the answer 🏆
False_Misconception
Subtraction
28,090
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you are taking away 1/3 from 2/3
False_Misconception
Subtraction
28,091
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you are taking away 1/3 of the 2/3 that was in the fridge
False_Misconception
Subtraction
28,092
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you are taking away the whole from what he ate
False_Misconception
Subtraction
28,093
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you are taking away what robert has eaten.
False_Misconception
Subtraction
28,094
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you are working out what is left
False_Neither
null
28,095
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you do 2 - 1 and you keep the denominator
False_Neither
null
28,096
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you do not need to multiply, divide or add so it has to be subtract.
False_Neither
null
28,097
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you do this because hes eaten 1/3 out of 2/3
False_Neither
null
28,098
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you had 2/3 and you take away one third because robert took that part
False_Misconception
Subtraction
28,099
33,474
Sally has \( \frac{2}{3} \) of a whole cake in the fridge. Robert eats \( \frac{1}{3} \) of this piece. What fraction of the whole cake has Robert eaten? Choose the number sentence that would solve the word problem.
\( \frac{2}{3}-\frac{1}{3} \)
you had 2/3 of a cake but when takes eats it you are subtracting by 1/3.
False_Misconception
Subtraction