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7.6a Classwork (1)

Last updated over 5 years ago
7 questions
How can you use addition or subtraction to solve an inequality.
1. ACTIVITY: Writing an Inequality
In 3 years, your friend will still not be old enough to vote.
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a. Which of the following represents your friend’s situation?

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b. Graph the possible ages of your friend on a number line. Explain how you decided what to graph.

2 ACTIVITY: Writing an Inequality
Baby manatees are about 4 feet long at birth. They grow to a maximum length of 13 feet.
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a. Which of the following can represent a baby manatee’s growth?

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Graph the solution on a number line. Explain how you decided what to graph.

3 ACTIVITY: The Triangle Inequality
Imagine different triangles whose sides have lengths 10 cm, 6 cm, and x cm.
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a. Which of the following describes how small x can be? Explain your reasoning.

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b. Which of the following describes how large x can be?

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c. Graph the possible values of x on a number line.