Multiplication of Integers Exercises – Set 1

December 25, 2016 Civil Service Reviewer Practice Tests, Review Guide

Below are exercises on multiplication of signed numbers. Part I and II are exercises for multiplication of integers, while part III is an extension to fractions and decimals. I have written the exercises using the $\times$ notation as well as the parenthesis to familiarize you with both notations.

Solutions and answers can be found here.

Part I

1. $2 \times (-3)$

2. $-4 \times -7$

3. $-9 \times 3$

4. $7 \times 7$

5. $-11 \times 3$

6. $(12)(-4)$

7. $(-6)(-3)$

8. $(9)(0)$

9. $(-5)(3)$

10. $(13)(3)$

Part II

1. $2 \times 3 \times (-4)$

2. $-4 \times 8 \times 1$

3. $-4 \times (-3) \times 3$

4. $-6 \times 2 \times (-5)$

5. $-12 \times 13 \times 0$

6. $(-6)(-1)(2)$

7. $(-5)(8)(3)$

8. $(-7)(-1)(-3)$

9. $(11)(8)(-1)$

10. $(-2)(-1)(7)(3)$

Part III

1. $\frac {1}{2} \times (-\frac {1}{3})$

2. $-\frac {1}{5} \times (-\frac {5}{8})$

3. $-\frac {3}{4} \times \frac {1}{6}$

4. $\frac {2}{7} \times \frac {1}{4}$

5. $-\frac {6}{11} \times \frac {2}{3}$

6. $0.5 \times (-3)$

7. $-0.2 \times (0.4)$

8. $-3 \times (-0.1)$

9. $-0.6 \times (-0.4)$

10. $-0.7 \times 0$

You might also want to practice division of integers.

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