6
BODMAS
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59
0
Work out 3 + 5 x 6
100
0
1
33
Well done, you worked out 5 x 6 to be 30 and then added 3
1
100
1
48
Nope - check the BODMAS rule, the multiply has to be done before the addition
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0
1
14
Nope - its 5 x 6 not 5 + 6
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0
1
36
Nope - check your tables!
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0
1
0
0
1
Work out 3 + 12 / 3
100
0
1
7
Well done, you did the division before the addition.
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100
1
5
Nope - you must do the divide before the add
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0
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18
Nope - you divide the last two numbers
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0
1
12
Nope - you divide the last two numbers
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1
0
0
1
Find 18 - 12 / 2
100
0
1
12
Well done! You divided before multipying
1
100
1
3
Nope - looks like you have subtracted the 18 and 12 then dividied the answer. Check BODMAS!
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0
1
4
Nope - looks like you have subtracted the 12 and 2 from the 18. You divide the 12 and the 2 before subtracting
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0
1
-12
Nope - looks like you did 6 - 18. The 12 / 2 bit is answered first but stays the second number in the subtraction
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0
1
0
0
1
25 - 10 x 2
100
0
1
5
Well done - you have multiplied before the subtraction
1
100
1
30
Nope - don't read left to right, multiply mist be done before subtraction
0
0
1
-5
Nope - the last part 10 x 2 gives 20 but the 20 is subtracted from 25. You replace the 10 x 2 with 20
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0
1
45
Nope - it is a subtraction after you have multiplied the 10 and the 2
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0
1
0
0
1
2 x 3 + 15 / 3
100
0
1
11
Well done - you have found the answers to all the divides and multiplies and added the results.
1
100
1
7
Nope - looks like you answered (2 x 3 +15) / 3 instead of what the question was asking for. There are no brackets, so work out the x and the / then add the answers
0
0
1
12
Nope - Looks like you calculated 2 x 18 and then divided by 3. The x and / must be calculated first. Write the sum as (2x3) + (15/3) if it helps
0
0
1
18
Nope - Looks like you have subtracted 3 from 15 instead of dividing them. Have another go
0
0
1
0
0
1
Find 15 - (99 - 93)
100
0
1
9
Yup - you replaced (99 - 93) with it's value 6 in the subtraction sum
1
100
1
- 177
Nope - looks like you ignored the bracket! Try working out 99 - 93 = 6 and then write the 6 instead of the bracket, 15 - 6
0
0
1
- 9
Nope - looks like you worked out the bracket correctly but then took 15 from 6. Just replace the bracket with it's value, so the 6 is still the second number
0
0
1
177
Nope - looks like you have ignored the bracket and the subtraction sign, have another go
0
0
1
0
0
1
(6 + 15 x 2) / 6
100
0
1
6
Well done, you calculated the bracket as 6 + 30 = 36 and then divided by 6
1
100
1
7
Nope - looks like you calculated the bracket as 42 then divided by 6. The bracket has 15 x 2 that must be calculated and then added to 6
0
0
1
11
Nope - looks like you have ignored the bracket! Have another go
0
0
1
4
Nope - work out 15 x 2 then add 6 and then divide the answer by 6
0
0
1
0
0
1
Calculate 4(9 + 2)
100
0
1
44
Well done, you calculated the bracket first and then multiplied by 4
1
100
1
38
Nope - the 9 + 2 is in brackets and has to be calculated before you multiply by 4
0
0
1
15
Nope - the 4 next to the bracket means to multiply the result of the bracket by 4
0
0
1
411
Nope - the 4 multiplies the result of the bracket, it does not simply become the hundreds figure
0
0
1
0
0
1
Work out 9(12 - 8)
100
0
1
36
Well done! The bracket is worked out first to give 4 and then multiplied by 9
1
100
1
100
Nope - the 9 is multiplying the result of the bracket not just the 12
0
0
1
13
Nope - the 9 next to the bracket means to multiply the result by 9
0
0
1
180
Nope - you are subtracting in the bracket, not adding!
0
0
1
0
0
1
Find 5 + 5/5 - 5 /5
100
0
1
5
Well done, when you complete both divisions you the sum becomes 5 + 1 - 1
1
100
1
1
Nope - Try doing the divide sums first, then replacing them with their values, so 5 + 1 - 1
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0
1
2
Nope - Try doing the divide sums first, then replacing them with their values, so 5 + 1 - 1
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0
1
Maths error
Nope - did you try to divide by 5-5 on a scientific calculator?
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BODMAS calculations. The slash symbol / means divide as I can't show the share sign easily on a Web page.
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