# Practice Exercises

Test your binary math skills with these practice problems and exercises. Click the dropdown menus to see the answers. Examples are available on the other pages with step-by-step explanations if you need any clarification. The helpful hints and reminders are good to keep in mind, and should make the math much easier.

## 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 =

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Binary Numbers | Add & Subtract | Multiply & Divide | Exercises | Conversion