Test your binary math skills with these practice problems and exercises. Click the dropdown menus to see the answers.

Binary Addition

**Reminder: 1 + 1 = 10**

Questions

1. 101 + 11 =
2. 111 + 111 =
3. 1010 + 1010 =
4. 11101 + 1010 =
5. 11111 + 11111 =

Binary Subtraction

**Reminder: 10 - 1 = 1** <

Questions

6. 110 - 10 =
7. 101 - 11 =
8. 1001 - 11 =
9. 1101 - 11 =
10. 10001 - 100 =

Binary Multiplication

**Hint: very similar to decimal multiplication**

Questions

11. 10 x 10 =
12. 100 x 11 =
13. 101 x 10 =
14. 1011 x 11 =
15. 11011 x 101 =

Binary Division

**Hint: very similar to decimal division**

Questions

16. 100 / 10 =
17. 111 / 11 =
18. 1010 / 100 =
19. 1101 / 11 =
20. 10111 / 10 =