Exploring Ratios and Proportions

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Objective

I can define a ratio and a proportion and give examples of each.

Part 1 of 4

Warm-up video

mathantics · 10:30Vetted channel

We don't generate video — this one is by mathantics on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 4

Key concepts

3 concepts

  1. 1

    A proportion is two equivalent ratios that have the same value and units.

  2. 2

    When setting up a proportion to solve for an unknown, make sure the units are the same in both ratios.

  3. 3

    The process of cross-multiplying can be used to solve a proportion with an unknown value.

Part 3 of 4

Practice

3 questions

1

Define a ratio in your own words and provide an example using everyday objects.

2

Which of the following represents a proportion?

Part 4 of 4

Exit ticket

Quick comprehension check

Give an example of a proportion using the ratio 3 books in 7 days. Explain why the ratios are equivalent.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

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