Proportional Reasoning Worksheet
This worksheet focuses on proportional reasoning, including ratios, rates, and scale factors, suitable for Grade 9 math students.
Includes
Standards
Topics
Proportional Reasoning
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Read each question carefully and answer to the best of your ability. Show all your work for full credit.
1. A recipe calls for 2 cups of flour for every 3 cups of sugar. If you use 6 cups of flour, how much sugar do you need?
4 cups
6 cups
9 cups
12 cups
2. A car travels 240 miles in 4 hours. At this rate, how far will it travel in 7 hours?
360 miles
420 miles
480 miles
560 miles
3. If 5 apples cost $2.50, then 1 apple costs $ .
4. A map has a scale of 1 cm : 5 km. If two cities are 10 cm apart on the map, they are km apart in real life.
5. On the number line above, the ratio of the distance from 0 to 2, to the distance from 2 to 5, is .
6. A photograph is 4 inches wide and 6 inches long. If you enlarge it so the width is 10 inches, what will be the new length?
7. Sarah earns $120 for 8 hours of work. How much will she earn if she works 15 hours at the same rate?
8. If two ratios are equivalent, they form a proportion.
True
False
9. A unit rate always has a denominator of 1.
True
False
Match each term on the left with its definition on the right.
10. Ratio
a. An equation stating that two ratios are equal
11. Rate
b. A comparison of two quantities by division
12. Proportion
c. A ratio that compares two different kinds of quantities
13. Unit Rate
d. A rate with a denominator of 1