1. Algebra
Library
Chapter 1: Pre-Algebra Concepts
Lesson 2.3: Multiplying Rational Numbers
Practice
Find the product. Express the result in simplest form.
1 1 3 3 3 5 2
1. • 5. • 9. • •
2 5 5 14 2 8 15
2 2 3 2 3 4 5
2. • 6. • (– ) 10. • •
3 9 4 7 4 9 6
2 5 5 2 4 5 6
3. • 7. • (– ) 11. • • (– )
3 12 8 7 5 8 15
4 1 3 2 5 3 8
4. • 8. – • 12. • • (– )
5 20 8 5 12 5 27
13. Suppose that the expression below represents the product of
two rational numbers. Place a check mark next to all the
relevant conclusions.
a c
•
b d
____ a, b, c, and d are integers.
____ The values of b and d cannot equal zero.
____ Either a, b, c or d is a decimal.
a c
____ The value of b •d is an integer.
____ The values of a and c cannot equal zero
1

2. Algebra
Library
Chapter 1: Pre-Algebra Concepts
Lesson 2.3: Multiplying Rational Numbers
Answer Key
1
1. 13. ____ a, b, c, and d are
10
4 integers.
2.
27 ____ The values of b and d
5 cannot equal zero.
3.
18
1
4.
25
9
5.
70
3
6. –
14
5
7.
28
3
8. –
20
1
9.
8
5
10.
18
1
11. –
5
2
12. –
27
2