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The rule of three is a technique based on proportionality: Multiply the first and second terms together, divide the product by the third; the quotient will bear such proportion to the second as the first does to the third.

# Are These Proportional Worksheets

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Basic Lesson
Guides students through determine if a series of fractions are proportional.
Standard: MATH 5
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Intermediate Lesson
Demonstrates how to break large fractions into smaller parts to determine if they are proportional.
Standard: MATH 5
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Independent Practice 1
A really great activity for allowing students to understand the concepts of proportions.
Standard: MATH 5
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Independent Practice 2
Students determine the ratios are proportional in 20 assorted problems. The answers can be found below.
Standard: MATH 5
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Are These Proportional Homework
Students are provided with 12 problems to achieve the concepts of ratios and proportions.
Standard: MATH 5
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Are These Proportional Quiz
This tests the students ability to understand proportions.
Standard: MATH 5
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Answers for the homework and quiz.
Answers for lessons and both practice sheets.

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