Multiplying Rational Numbers Worksheet
Grade 9 math worksheet focused on multiplying rational numbers, including fractions, decimals, and mixed numbers.
Includes
Standards
Topics
Multiplying Rational Numbers
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Read each question carefully and show all your work. Simplify all answers to their lowest terms.
1. Multiply the following fractions. Express your answer in simplest form.
a) (3/4) × (2/5) =
b) (-7/8) × (4/3) =
c) (5/6) × (-9/10) =
2. Multiply the following decimals.
a) 0.25 × 1.5 =
b) -3.4 × 0.05 =
c) 12.8 × (-0.7) =
3. Fill in the blanks to complete the multiplication problems. Convert mixed numbers to improper fractions before multiplying.
a) 2 1/3 × (-3/7) =
b) (-4) × (5/8) =
c) 1.25 × (2 1/5) =
4. Which of the following expressions will result in a positive product?
(-1/2) × (3/4)
(-0.5) × (-2.0)
(2/3) × (-1/5)
(-1.0) × (4.0)
5. What is the product of 0.6 and 1/3?
0.2
0.18
0.6
1.8
6. A recipe calls for 3/4 cup of sugar. If you want to make 2 1/2 times the recipe, how much sugar do you need?
7. A car travels at an average speed of 60.5 miles per hour. How far will it travel in 3.5 hours?
8. The product of two negative rational numbers is always negative.
True
False
9. When multiplying a positive fraction by a negative fraction, the product will always be negative.
True
False
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