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
14,000
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i thin this is the answer because its equivalent to 9/15
True_Neither
null
14,001
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think b because i saw that the 10 is equivalent to 15 and i thought it will go up in 5 so i took away 5 from 9 and got 4
True_Misconception
Additive
14,002
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think c because 9/15 can change into 18/30 and 6/10 can also change ito 18/30
True_Correct
null
14,003
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think c because 9\ 15 divided by 5 equals 3\5 times 2 equals 6\10 so the value of A is 6.
True_Correct
null
14,004
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think it because 10 and 15 common
True_Neither
null
14,005
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think it is 6 because
True_Neither
null
14,006
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think it is 6 because 9/15 simplified by 3 = 3/5 and if you double 3/5 it becomes 6/10
True_Correct
null
14,007
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think it is C because i simplified 9/15 to 3/5 and 3/5 in tenths is 6/10.
True_Correct
null
14,008
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think it is c beacause 9/15 divided by 3 is 3 /5 and then u double 3/5 to get 6/10
True_Correct
null
14,009
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think it is c because i used the nine as a reasource to find out the answer
True_Neither
null
14,010
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think it's c becausee 6/10 is the same as 9/15.
True_Correct
null
14,011
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think its c because on the denominator we have taken 1/3 away from 15 to get 10 so we have to do the same to the numerator.So 1/3 of 9 =3 and then 9-3 =6
True_Neither
null
14,012
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think that because i divide 9 by 1.5
True_Correct
null
14,013
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think that it is c because i think they go together
True_Neither
null
14,014
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think that the answer is 6 because to get a whole number 9 + 6 = 15 so a = 6
True_Neither
null
14,015
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think that you get from 10 to 15 because 15 is next in the 5 times table so it should be 6 because 9 is next in the 3 times table
True_Correct
null
14,016
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think the answer is a
True_Neither
null
14,017
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this answer because 3 5th are equivalent to 6 10th.
True_Correct
null
14,018
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this as 9 /15 x 2 is 18/30 and 18/30 is equal to 3/10
True_Neither
null
14,019
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because (well, its a bit of a guess but i think i am right) the formula that was used to get from 10 to 15 was (n=number) n divided by 2 plus n. so the 6 fits that, because 6 divided by 2 plus 6 = 9.
True_Neither
null
14,020
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 10 and 15 are in the 3 times tables and so is nine and 10 is 1/3 less than 15 9 divided by three = 3 and 3 times by two =6
True_Misconception
Irrelevant
14,021
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 10 and 15 both go into 5 and 6 and 9 are both in the 3
True_Misconception
Irrelevant
14,022
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 10 and 15 divide into 3 groups so the top number should aswell
True_Neither
null
14,023
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 10x1.5=15 and 6x1.5=9
True_Correct
null
14,024
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 15 divided by 10 is 1.5 and 1.5 X 6 is 9 so the answer is 6
True_Correct
null
14,025
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 15 goes down to 10 so a must be 6 as 9 goes down to 6
True_Neither
null
14,026
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 15-5=10 and 9-3=6
True_Neither
null
14,027
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 15-9=6 and 10-6 is 4
True_Misconception
Additive
14,028
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 2 lots is six and that gave the answer
True_Neither
null
14,029
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 3 add 6 is 9
True_Neither
null
14,030
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 3/5 goes into 6/10 and 9/15
True_Neither
null
14,031
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 5 times 2 is 10 so 3 time 2 is 6
True_Correct
null
14,032
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 6 times 6 is 36
True_Neither
null
14,033
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 9 ,15th as an equivalent fraction is 3, 5ths and double that is 6 10ths
True_Correct
null
14,034
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 9 15ths is equivalent to 6 10ths
True_Neither
null
14,035
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 9 over 15 is equivalent to 3 over 5.
True_Correct
null
14,036
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 9/15 is 3/5 so the denominatoer has been x2 so you do it to the numerator
True_Correct
null
14,037
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 9/15 is equal to 1/3 and 3x3 is 9 and if you go up in twos for a/10 it will end up as 6/10 which is also equal to 9/15
True_Neither
null
14,038
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 9/15 is equal to 6/10.
True_Correct
null
14,039
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because 9/15 simplified is 3/5 and that multiplied by 2 is 6/15
True_Neither
null
14,040
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because A\10 divided by 2 is 3\5 so 3\5 times 2 is 6\10
True_Correct
null
14,041
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because I simplified it and then doubled the 3 and the 5 to make 6/10
True_Correct
null
14,042
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because I think the fraction before A/10 is 3/5,so multiplied 3x2 and got 6/10.
True_Correct
null
14,043
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because both 10 and 15 are divisible by 5 and 9, is divisible by 3 and therefore, 9 divided by 3 is 3, 3x2= 6 so the answer is C
True_Neither
null
14,044
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because both of the numerators have to have a commonn multiple, which is 3.
True_Misconception
Irrelevant
14,045
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because i did x2 divided by 3 9/15 =18/30 = 6/10 x2 divided by 3
True_Correct
null
14,046
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because i did 15-9 = 6
True_Misconception
Additive
14,047
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because i found the common denominator of 30 and I got the fraction of 18/15 so i used my common sence and thought that 6 x 3 would equal 18/30
True_Correct
null
14,048
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because i found the lowest common denominator and then took 3 away from 6
True_Neither
null
14,049
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because i found with a denominator the 10 so i got 6 for the numerator
True_Neither
null
14,050
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because i foundd a common denominator which was 30.
True_Correct
null
14,051
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because i know that 10 andd 15 are both factors of 30 so i did 9x23=18 and then 18/3==6.
True_Neither
null
14,052
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because i simplified 9/15 it by 3 which is 3/5 so A= 6 because you do 5x2 and 3x2
True_Correct
null
14,053
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because if 9/15 is simplified, it turns into 3/5 which can alsoo be expressed as 6/10.
True_Correct
null
14,054
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because if you put 9 fifteenths into thirtieths it gives you 18 thirtieths then if you put ten into thirtieths the only number that will get you to 18 is six
True_Correct
null
14,055
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because if you simplify 9/15 it would be 3/5 then we know 5x2=10 so you would do 3x2 which equals 6/10.
True_Correct
null
14,056
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because if you simplify them you can times 3 and 2 to get 6.
True_Correct
null
14,057
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because it goes up in 3s
True_Misconception
Irrelevant
14,058
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because it is equivalent fractions so i did 3/5 then 6/10 and 9/15 so the answer is 6/10
True_Correct
null
14,059
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because it is equivelant
True_Neither
null
14,060
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because it takes 6 to get to 15 from nine
True_Neither
null
14,061
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because the common multiple is 30 and 2 nines is 18 and 3 sixes are 18 so its equal
True_Correct
null
14,062
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because the difference 9 and 15 is 6 so the answer would be 6
True_Misconception
Additive
14,063
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because we did 9 add something that makes 15 so it would be 6
True_Misconception
Additive
14,064
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because when you want to find out you 9/15 x 10 = a (6)
True_Neither
null
14,065
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this because you have to divide 9/15 by three the times that by 2
True_Correct
null
14,066
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this becsuse 15x6 = 90.
True_Neither
null
14,067
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this becuase 9 over 15 can be simplified to 3 over 5 which is equivalent to 6 over 10
True_Correct
null
14,068
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this bevause 3 plus 6 is 9.
True_Neither
null
14,069
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is because 9/15 in its simplest form is 3/5 andd then you multiply 5 by 2 to get 10, and 3 by 2, and you get 6.
True_Correct
null
14,070
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is because i timesed 9/15 by 2 and got 18/30. then, when i times a/10 by 3, i got a/ 30, and 18 dividedd by 3 is 6.
True_Correct
null
14,071
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is because if 3a/30=18/30 then a = 6
True_Correct
null
14,072
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is because if you divide 9/15 by 3 it equals 3/5 and then you times that by 2 which equals 6/10
True_Correct
null
14,073
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is because if you divide 9/15 by 3 you get 3/5 and them times that by 2, you end up with 6/10.
True_Correct
null
14,074
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is because they times by 3
True_Neither
null
14,075
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is because you know that 5x3=15 so you would do 9 divided by 3=3. then you will do 3x2 to get a.
True_Correct
null
14,076
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is because, if you simplify 9/15 you would get 3/5. 3 x 2 is 6 and 5 is 10. i believe 6 is the value of a.
True_Correct
null
14,077
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is right but im not sure if its right
True_Neither
null
14,078
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is the answer because i did 9/15 divided by 3 which is 3/5 and then timed it by 2 which is 6/10. this gave me the answer.
True_Correct
null
14,079
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is the answer because its equivalent to 9/15
True_Neither
null
14,080
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is the correct answer
True_Neither
null
14,081
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is the correct answer
True_Neither
null
14,082
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think this is the correct answer
True_Neither
null
14,083
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i think thiss is because if you simplify 9/15 you get 3/5 which is the same as 6/10.
True_Correct
null
14,084
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i thought this because 10 + 5 = 15 and 6 +9 = 15
True_Misconception
Additive
14,085
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i timesed 9/15 by 2 what = 18/15 then divided it by 3 what =6/10
True_Correct
null
14,086
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i tried all of the numbers and i knew 3/5 was equal to 6/10 which was also equal to 9/15
True_Correct
null
14,087
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i turned 9/15 into 3/5 and then times both by 2.
True_Correct
null
14,088
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i used the 9 as a reasource
True_Neither
null
14,089
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i worked it out on my white board
False_Neither
null
14,090
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i worked it out on my whitee board.
True_Neither
null
14,091
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i worked out on a piece of paper.
True_Neither
null
14,092
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i worked out that 15 and 10 have a factor of 30 and then you times 9 by 2 and then divide 18 by 3 which is 6
True_Correct
null
14,093
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i worked this out by converting nine-fifteenths into fifths, which would be three-fifths. therefore, a tenths must be equal to three-fifths as well. so we convert three-fifths into tenths and we get six-tenths. we know that a = 6
True_Correct
null
14,094
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i worked this question out in my book but i did have to think in this one.
True_Neither
null
14,095
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
i would not be able to
True_Neither
null
14,096
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
if it was a sequence it would be 3/5 then 6/10 then 9/15
True_Correct
null
14,097
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
if the denominator is 5, then the numerator will be 3.
True_Neither
null
14,098
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
if u add 3 on it would get 9
True_Neither
null
14,099
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
if u make the denominator the same then put 18 and divide by 3 u get 6
True_Correct
null