KS1 - Ks1 Maths - Year 2 Calculation - Addition To Check Subtraction Solution - MCQGeeks.com

Q.1.

Which calculation shows that this subtraction is correct? 78 - 40 = 38

0%
40 + 78 = 38
0%
40 - 38 = 78
0%
38 + 78 = 40
0%
38 + 10 + 10 + 10 + 10 = 78

Q.2.

Why is 48 - 20 = 54 incorrect?

0%
Because 48 is more than 20
0%
Because the numbers are all even
0%
Because 20 + 54 = 74, not 48
0%
Because the total of all three numbers is 122

Q.3.

Which calculation could you use to check that 18 - 7 = 11 is correct?

0%
11 + 18
0%
7 + 18
0%
7 + 11
0%
11 + 7 + 18

Q.4.

Which calculation could you use to check that 23 - 6 = 17 is correct?

0%
6 + 17
0%
23 + 7
0%
23 + 6 + 7
0%
23 + 6 + 7

Q.5.

Which calculation proves this calculation is incorrect? 76 - 34 = 45

0%
76 - 45 = 34
0%
45 - 34 = 11
0%
34 + 45 = 79
0%
34 + 45 = 76

Q.6.

Which calculation proves this calculation is incorrect? 62 - 19 = 55

0%
55 + 19 = 62
0%
55 + 19 = 74
0%
62 + 19 = 55
0%
62 + 55 = 19

Q.7.

Check 84 - 21 = 73 with addition. Is this calculation correct?

0%
Correct answer: 73 + 21 = 84
0%
Incorrect answer: 73 + 21 = 94
0%
Incorrect answer: 84 + 21 = 105
0%
Incorrect answer: 84 + 73 = 157

Q.8.

Check 67 - 25 = 42 with addition. Is this calculation correct?

0%
Incorrect answer: 25 + 67 = 92
0%
Correct answer: 25 - 67 = 42
0%
Incorrect answer: 67 + 42 = 109
0%
Correct answer: 25 + 42 = 67

Q.9.

How could you check that 24 - 8 = 16?

0%
By checking that 16 + 8 = 24
0%
By checking the total of all three numbers
0%
By finding the difference between 16 and 8
0%
By finding the total of 24 and 8

Q.10.

Why is 33 - 20 = 13 true?

0%
Because the sum of all three numbers gives the same answer
0%
Because 13 subtracted from 20 is 33
0%
Because the total of 13 and 33 is 20
0%
Because 20 + 13 = 33