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Monday 3 July 2017

Subtraction

Subtraction
Solve these subtraction problems by counting back.
Question
Answer
10-4=
6
18-5=
14
16-4=
12
13-6=
8
15-7=
9
11-4=
8
18-9=
10
23-6=
17
25-7=
19
14-8=
7
21-5=
17
27-9=
                   19
24-6=
19
26-8=
21
22-4=
19
31-5=
26