Pre-Algebra Adding and Subtracting Worksheet

1. Solve x + 1 = 3
3
2
1
4

2. Solve x + 5 = 7
12
3
2
7

3. Solve x + 10 = 15
3
5
25
15

4. Solve y + 30 = 43
33
30
16
13

5. Solve y + 12 = 21
12
8
9
11

6. Solve x - 1 = 2
1
2
3
4

7. Solve x - 3 = 5
8
12
15
6

8. Solve y - 11 = 21
12
11
30
32

9. Solve y - 41 = 66
101
55
107
21

10. Solve y - 1 = 1
1
2
11
12





Answer Key