7.6a Classwork (1)

Posljednje ažuriranje almost 6 years ago

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.

2 ACTIVITY: Writing an Inequality

Baby manatees are about 4 feet long at birth. They grow to a maximum length of 13 feet.

3 ACTIVITY: The Triangle Inequality

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7.6a Classwork (1)

Posljednje ažuriranje almost 6 years ago

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.

Pitanje 1

a. Which of the following represents your friend’s situation?

x+3<18

x+3≤18

x+3>18

x+3≥18

Pitanje 2

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.

Pitanje 3

a. Which of the following can represent a baby manatee’s growth?

x+4<13

x+4≤13

x+4>13

x+4≥13

Pitanje 4

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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Pitanje 5

a. Which of the following describes how small x can be? Explain your reasoning.

6+x>10

6+x≥10

6+x<10

6+x≤10

Pitanje 6

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

x-6>10

x-6≥10

x-6<10

x-6≤10

Pitanje 7

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