7.6a Classwork (1)

Last updated over 5 years ago

7 questions

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.

Question 1

Question 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.

Question 3

Question 4

3 ACTIVITY: The Triangle Inequality

Imagine different triangles whose sides have lengths 10 cm, 6 cm, and x cm.

Question 5

Question 6

Question 7

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.

Question 1

x+3<18

x+3≤18

x+3>18

x+3≥18

Question 2

2 ACTIVITY: Writing an Inequality

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

Question 3

x+4<13

x+4≤13

x+4>13

x+4≥13

Question 4

3 ACTIVITY: The Triangle Inequality

Imagine different triangles whose sides have lengths 10 cm, 6 cm, and x cm.

Question 5

6+x>10

6+x≥10

6+x<10

6+x≤10

Question 6

x-6>10

x-6≥10

x-6<10

x-6≤10

Question 7

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

x+3<18

x+3≤18

x+3>18

x+3≥18

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

x+4<13

x+4≤13

x+4>13

x+4≥13

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

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

x-6>10

x-6≥10

x-6<10

x-6≤10