Calculating

Adding & subtracting 2-digit numbers

Name: ______________________________Date: ______________Score: ______ / 20

1.
Add: 21 + 47 = ?
2.
Add: 64 + 25 = ?
3.
Add: 46 + 32 = ?
4.
Add: 47 + 32 = ?
5.
21 + 47 gives the same total as 47 + 21.
True False
6.
Subtract: 76 - 41 = ?
7.
Subtract: 56 - 44 = ?
8.
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
9.
Find the difference between 49 and 32.
10.
Find the difference between 68 and 54.
11.
Which calculation finds the difference between 65 and 87?
1. A87 + 65
2. B65 - 87
3. C87 - 65
12.
Use the 100 square to subtract: 69 - 35 = ?
13.
Work out each answer, then order them from the smallest answer to the largest answer.
Write the order (smallest answer first) in the boxes:
- ?67 - 32
- ?89 - 52
- ?56 - 44
14.
Add: 40 + 66 = ?
15.
Add: 32 + 63 = ?
16.
Add: 57 + 80 = ?
17.
Subtract: 81 - 45 = ?
18.
Subtract: 88 - 36 = ?
19.
Subtract: 53 - 20 = ?
20.
Find the difference between 77 and 28.

Answer key

Calculating — Adding & subtracting 2-digit numbers