| Name __________________________ | Free-Ed.Net |
Date _________________ |
Pre-Algebra at Free-Ed.Net |
Section: Multiplying Signed Integers |
Complete the multiplication
| 1. ( +14) x ( + 6) = | 2. ( +12) x ( + 13) = | 3. ( +5) x ( + 2) = | 4. ( +16) x ( + 6) = |
| 5. ( –17 ) x ( –7) = | 6. ( –8 ) x ( –15) = | 7. ( –18 ) x ( –17) = | 8. ( –19 ) x ( –4) = |
| 9. ( +15) x ( –1) = | 10. ( +5) x ( –18) = | 11. ( +20) x ( –11) = | 12. ( +10) x ( –5) = |
| 13. ( –2) x ( +3) = | 14. ( –9) x ( +12) = | 15. ( –10) x ( +15) = | 16. ( –4) x ( +12) = |
| 17. ( +18)( –9) = | 18. ( +22)( +19) = | 19. ( –11)( –9) = | 20. ( +14)( –6) = |
| This document may be reproduced for educational purposes at no cost and with this message, the copyright notice, and the Free-Ed.Net logo intact.. | Copyright © 2007 David L.
Heiserman |
| Name __________________________ | Free-Ed.Net |
Date _________________ |
Pre-Algebra at Free-Ed.Net |
Answer Key |
Section: Multiplying Signed Integers |
Complete the multiplication
| 1. ( +14) x ( + 6) = +84 |
2. ( +12) x ( + 13) = +156 |
3. ( +5) x ( + 2) = +10 |
4. ( +16) x ( + 6) = +96 |
| 5. ( –17 ) x ( –7) = +119 |
6. ( –8 ) x ( –15) = +120 |
7. ( –18 ) x ( –17) = +306 |
8. ( –19 ) x ( –4) = +76 |
| 9. ( +15) x ( –1) = –15 |
10. ( +5) x ( –18) = –90 |
11. ( +20) x ( –11) = –220 |
12. ( +10) x ( –5) = –50 |
| 13. ( –2) x ( +3) = –6 |
14. ( –9) x ( +12) = –108 |
15. ( –10) x ( +15) = –150 |
16. ( –4) x ( +12) = –48 |
| 17. ( +18)( –9) = –162 |
18. ( +22)( +19) = +418 |
19. ( –11)( –9) = +99 |
20. ( +14)( –6) = –84 |
| This document may be reproduced for educational purposes at no cost and with this message, the copyright notice, and the Free-Ed.Net logo intact.. | Copyright © 2007 David L.
Heiserman |