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Binary Math

Binary numbers and mathematics.

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