Calculating

Adding & subtracting 2-digit numbers

Name: ______________________________Date: ______________Score: ______ / 20

1.
Add: 21 + 47 = ?
2.
Add: 35 + 62 = ?
3.
Add: 54 + 32 = ?
4.
Add: 64 + 25 = ?
5.
Add: 71 + 16 = ?
6.
Add: 46 + 32 = ?
7.
To add 21 + 47, add the tens (20 + 40 = 60) and the ones (1 + 7 = 8). What is the total?
1. A68
2. B62
3. C60
8.
Add: 34 + 21 = ?
9.
Add: 47 + 32 = ?
10.
35 + 62 = 97.
True False
11.
21 + 47 gives the same total as 47 + 21.
True False
12.
Subtract: 67 - 32 = ?
13.
Subtract: 58 - 35 = ?
14.
Subtract: 76 - 41 = ?
15.
Subtract: 89 - 52 = ?
16.
Subtract: 56 - 44 = ?
17.
Subtract: 78 - 36 = ?
18.
Subtract: 67 - 24 = ?
19.
To work out 67 - 32, subtract the tens (60 - 30 = 30) and the ones (7 - 2 = 5). What is the answer?
1. A30
2. B35
3. C39
20.
67 - 32 = 35.
True False

Answer key

Calculating — Adding & subtracting 2-digit numbers