Addition and Subtraction Facts Up to 10 - 1

Addition and Subtraction Facts Up to 10 - 1
Classroom Keystage 1-Maths - Calculations - Addition and Subtraction

[ To answer the questions please circle the correct answer or fill in the blank spaces ]

Addition and Subtraction Facts up to 10 - 1

Subtraction reverses addition sums (Subtraction is the inverse of addition) - look at this example:

8 + 1 = 9       9 - 1 = 8
Type in the correct answer to these addition sums.
0 + 9 = [_]           5 + 4 = [_]
1 + 8 = [_]           6 + 3 = [_]
2 + 7 = [_]           7 + 2 = [_]
3 + 6 = [_]           8 + 1 = [_]
4 + 5 = [_]           9 + 0 = [_]
What do you notice about the pattern of the answers? [, Answers go down by one, All answers are the same, Answers go up in one]