KS1 - Ks1 Maths - Year 2 Calculation - Addition And Subtraction Facts To 20 Solution - MCQGeeks.com

Q.1.

Which 'family' of facts is incorrect?

0%
7 + 13 = 20 13 + 7 = 20 20 - 13 = 7 20 - 7 = 13
0%
8 + 12 = 20 12 + 8 = 20 20 - 8 = 12 20 - 12 = 8
0%
9 + 11 = 20 11 + 9 = 20 20 - 11 = 9 20 - 9 = 11
0%
4 + 14 = 20 14 + 4 = 20 20 - 4 = 14 20 - 14 = 4

Q.2.

Which three pairs of numbers all add up to 20?

0%
19 + 1 17 + 3 5 + 15
0%
12 + 9 11 + 7 3 + 16
0%
7 + 20 6 + 12 7 + 19
0%
4 + 12 16 + 8 20 + 1

Q.3.

Which number is missing: 17 + ? = 20

0%
5
0%
3
0%
7
0%
9

Q.4.

Which three other facts go with 16 + 4 = 20?

0%
20 + 16 = 4 20 + 4 = 16 16 - 20 = 4
0%
16 - 20 = 4 4 - 20 = 16 20 + 16 = 4
0%
4 + 16 = 20 16 - 4 = 20 4 - 16 = 20
0%
4 + 16 = 20 20 - 16 = 4 20 - 4 = 16

Q.5.

If you know that 14 + 6 = 20, what else do you know?

0%
20 + 14 = 6
0%
20 - 14 = 6
0%
14 - 20 = 6
0%
6 - 14 = 20

Q.6.

Which of the following pairs of number do not add up to give 20?

0%
9 + 11
0%
2 + 18
0%
16 + 5
0%
20 + 0

Q.7.

Which number fact is incorrect?

0%
11 + 9 = 20
0%
9 + 11 = 20
0%
20 - 9 = 11
0%
11 - 20 = 9