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
14,200
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the first one would be 3 over 5 so if you add 3 to the top and 5 to the bottom you get this
True_Misconception
Additive
14,201
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the fraction before would be 3/5 then double is 6/10 the 9/15
True_Correct
null
14,202
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the highestt common multiple of 9 and 15 is 3, so 3x2=6
True_Misconception
Irrelevant
14,203
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the lcd is 30 so 15*2=30 that means 9*2=18, divide them by 3 to get back to the denominator being 10.
True_Correct
null
14,204
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the lowest common denominator is 30, so you multiply 9 by 2 which is eighteen. The question is now what x 3 = 18. The answer is 6
True_Correct
null
14,205
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the method i used was to do 1.5 x 10 and then move a number to its left, giving me 15. then i knew that the numerator would be 9 divided by 1.5, which then gave me 6. finally, to check my answer, i did 6 x 1.5 which gave 9. therefore, the answer is 6.
True_Correct
null
14,206
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the numerator goes up in 3 also the denomantor goes 5 up
True_Correct
null
14,207
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the numirator had to be timesed aswell
True_Neither
null
14,208
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the percentage of 9/15 is 60 so it is 6
True_Correct
null
14,209
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the proscess from the second fraction to the first is x2 /3
True_Correct
null
14,210
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the relationship between 10 and 15 are 2x5 and 3x. so 3x3=9 so 2x3=6.
True_Correct
null
14,211
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the rule is divide by 2 and times by 3
True_Neither
null
14,212
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the value of a is 6
True_Neither
null
14,213
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the value of a is 6 because 6+3 is 9 and 10+5 is 15.
True_Neither
null
14,214
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
the would simplify to be 3/5
True_Correct
null
14,215
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
then the two fractions would be equivelent
True_Neither
null
14,216
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
there are 9 in the number 1 and there is 2 left over which is the same as 9.
True_Neither
null
14,217
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
they are both equal to 3/5
True_Correct
null
14,218
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
they are both equivalent to 3/5.
True_Correct
null
14,219
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
they are equivalent fractions meaning that A is 6
True_Neither
null
14,220
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
they are in 5's and if you do 9 divided by 3 that equals 3 and 3 x 2 = 6
True_Correct
null
14,221
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
they both go into 30 so find out what 9 x 2 =18 then you have mutiplyed 10 by 3 to get 18 so divide it by 3 again and then you have your answer.
True_Correct
null
14,222
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
this is a guess because I really dont get this
True_Neither
null
14,223
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get 6 over 10, divide bothh fractions so their denominators are 5. then, multiply both numerators by three.
True_Neither
null
14,224
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get a common denominator, you times 9/15 by 2 to get 18/30 and A/10 by 3 to get ?/30. since they are both now the same. ?/30 is 18/30. next you divide it by 3 to get your original amount, which is 6/10
True_Correct
null
14,225
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get a denominator of 10, we need to dividee by 3 and multiply by 2. then, 9/15=3/5=6/10, so a = 6.
True_Correct
null
14,226
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get from 10 to 15 is the same as doing 6 to 9 because you can half it and then times it by 3.
True_Correct
null
14,227
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get from 10 to 15 we multiply it by 1.5. this means that we also have ti do ax1.5 which must give us an answer of 9. the only number that will give us an answer of 9 if we multiply it by 1.5 will be 6 therefore a=&6.
True_Correct
null
14,228
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get from 15 to 10 i did 15 divided by 3 times by 2, which is 10, and then i added that to the top and it was 6.
True_Correct
null
14,229
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get the answer, you need to divide the second fraction by 3 and times it by 2.
True_Correct
null
14,230
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get the answer, you need to times everything equally.
True_Neither
null
14,231
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to get to 15 from 10 you x1.5 so 9 /1.5=6
True_Correct
null
14,232
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to go from 10 to 15 you must divide by 2 and times by three so if you do the inverse which is 9 divided by 3 and times by 2 you get 6
True_Correct
null
14,233
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
to simplify 9/15 to fifths we divide by 3, which gives 3/5. similarly, we can simplify a/10 to thirds, by dividing by 2. this gives a/2/5, which must give 3, so it must be 6.
True_Correct
null
14,234
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
took away 1/3 so it would be 6/10
True_Neither
null
14,235
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
trial and error method: simplify A/10 by dividing the nume
True_Neither
null
14,236
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
two third of 9 is 6 so is 15 as 10 so yeah
True_Correct
null
14,237
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
two thirds of 15 is 10 and two thirds of 9 equals 6.
True_Correct
null
14,238
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
two thirds of 15 is 10 and two thirds of 9 is 6 therefore the letter a would be 6.
True_Correct
null
14,239
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
u told meh i did not need to write it
True_Neither
null
14,240
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
we changed both to a common denominator of 30 so they were 18/30 then we divided by 3 to get 6/10
True_Correct
null
14,241
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
we found the common denominator which is 30 and times
True_Neither
null
14,242
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
we have done this one tow so i know the answer to
True_Neither
null
14,243
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
we multiply a/10 with 3 to get a common denominator therefore 3a = 18 and a = 6
True_Correct
null
14,244
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
we started with 3/5 and then a/10 and then 9/10 so A must equal 6
True_Correct
null
14,245
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
we turned it into an equivalent fraction and then simplified our answer
True_Correct
null
14,246
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
when you change the dominator to 30 then 15 and 9 change to 30, then 30 again. then 30 once more, then 6.
True_Correct
null
14,247
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
with my logic I did the elimination process.
True_Neither
null
14,248
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
worked it out in my head
True_Neither
null
14,249
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you are taking a 1/3 away
True_Neither
null
14,250
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you can simplify 9/15 to 3/5 which is the same as 6/10
True_Correct
null
14,251
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you can split it into 3rds so10 out of 15 is 2/3 so 2/3 of 9 is 6.
True_Correct
null
14,252
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you can split it into 3rds so10 out of 15 is 2/3 so 2/3 of 9 is 6.
True_Correct
null
14,253
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you convert 9/15 to 18/30 and then simplify the fraction to 6/10.
True_Correct
null
14,254
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you convert 9/15 into 5ths which is 3/5 then 3/5 x 2 is 6/10
True_Correct
null
14,255
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you do ax15 which is the same as 9x10=90 then you do 90 divide 15=6
True_Correct
null
14,256
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you do what do you do to the bottom to the top so 15 take away 9 is 6
True_Misconception
Additive
14,257
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you do what you do to the bottom to the top thats how i worked out my answer
True_Neither
null
14,258
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you haft to tack it away
True_Neither
null
14,259
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you half 9 wich is 6 an its the answer
True_Neither
null
14,260
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you have to change the denominator into 150 then you will get he answer
True_Neither
null
14,261
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you look at the bottom 2 numbers
True_Neither
null
14,262
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you make the denominators the same and then you divide 18 by 3 which is 6
True_Correct
null
14,263
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you make the ten 5 because if you do x3 you get 15. now, do the opposite with 9.
True_Neither
null
14,264
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you need to divide the second fraction by 3 and times it by 2 to get the answer
True_Correct
null
14,265
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you need to take every number an simply those numbers.you also have to simplyfie 9 over 15 which is 3 over 5 and c got 3 over 5 so that is the answer.
True_Correct
null
14,266
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you need too times everything equally to get the answer
True_Neither
null
14,267
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you put them both to 30 (denominator) and get 18/30 you divide it by 3 and get 6/10.
True_Correct
null
14,268
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you times the denominator to make them the same so 9x2=18 18 divided by 3 to get a is 6
True_Correct
null
14,269
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you turn 9/15 into 3/5 by finding the common factor, then turn it into an equivalent of 6/10
True_Correct
null
14,270
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 6 \)
you want to make the fraction have the same bottom number so you times 9/15 by 2 and A/10 by 3 since there equal 9 times 2 =18 so then A will equal 18 then you want to make them back to its normal form =6
True_Correct
null
14,271
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
9 because change the denominator to 30 then x the numerator by 3 (a=27) divide it by 3=9
False_Neither
null
14,272
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
9 because change thee denominator to 30 then x the numerator by 3 (a=27) divide it by 9=9.
False_Neither
null
14,273
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
9 is A because it says that it equals 9 .
False_Misconception
WNB
14,274
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
9 is a because it says that it equals 9.
False_Misconception
WNB
14,275
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
9 is your answer because 10 timess 90 equals 9.
False_Misconception
WNB
14,276
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
9/15 is equal to 3/5 and to get A/10 . And if you times the denominator and numerator of 3/5 by 2 to get an equivalent fraction you will get 6/10.
False_Correct
null
14,277
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
As 15 x 2 is 30 and 10 x 3 is 30. It will be 18/30 and 18 divided by 2 is 9.
False_Neither
null
14,278
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
BECAUSE 15 IS IN THE 5 TIMES TABLE SO I DIVIDED 9 BY THREE THAT EQUALS 3
False_Misconception
Irrelevant
14,279
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because 10 can go into 15 in the 5 times tables A plus 9 goes to nine
False_Misconception
Irrelevant
14,280
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because 10 is 2 / 3 of 15, and 2 is 6.
True_Neither
null
14,281
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because a is the only number and it's 9. There is no other answer.
False_Neither
null
14,282
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because a is the only number and its 9 not any other answer
False_Neither
null
14,283
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because it has a eaqles sight so its the same
False_Misconception
WNB
14,284
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because it has the ssme sight as you do.
False_Neither
null
14,285
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because it would be 18 so you divide by 3.
False_Neither
null
14,286
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because non of the others will equal the fraction
False_Neither
null
14,287
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because on the second fraction it's got a 9
False_Neither
null
14,288
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because the top number stays the same.
False_Misconception
WNB
14,289
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because they are the same fraction.
False_Neither
null
14,290
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because theyy are equal in value.
False_Neither
null
14,291
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Because when I worked it out with the bar methood the answer came up with 9
False_Neither
null
14,292
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
Becausee the first number stays the same.
False_Misconception
WNB
14,293
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
D because if you count in you 5 time tables it would be 3/5,6/10,9/15
False_Neither
null
14,294
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
D because if you count in your 5 time tables it would be 3/5,6/10,9/15
False_Misconception
Irrelevant
14,295
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
I THINK because theres no other number to plUS 9
False_Neither
null
14,296
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
I THINK because theress no other number to plUS 9.
False_Misconception
Additive
14,297
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
I WAS GUESSING BECAUSE IT WAS HARD
False_Neither
null
14,298
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
I WAS JUST GUESSING BECAUSE IT HAD BEEN SO DIFFICULT.
False_Neither
null
14,299
31,778
\( \frac{A}{10}=\frac{9}{15} \) What is the value of \( A \) ?
\( 9 \)
I am guessing D because 3 times 3 is 9.
False_Misconception
Irrelevant