Log in
Sign up for FREE
arrow_back
Library
7.6a Classwork (1)
By Charles Keeler
star
star
star
star
star
Share
share
Last updated over 5 years ago
7 questions
Add this activity
1
1
1
1
1
1
1
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
1.
a. Which of the following represents your friend’s situation?
x+3<18
x+3≤18
x+3>18
x+3≥18
Question 2
2.
b. Graph the possible ages of your friend on a number line. Explain how you decided what to graph.
visibility
View drawing
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
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
Question 4
4.
Graph the solution on a number line. Explain how you decided what to graph.
visibility
View drawing
3 ACTIVITY: The Triangle Inequality
Imagine different triangles whose sides have lengths 10 cm, 6 cm, and
x
cm.
Question 5
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
Question 6
6.
b. Which of the following describes how
large x
can be?
x-6>10
x-6≥10
x-6<10
x-6≤10
Question 7
7.
c. Graph the possible values of
x
on a number line.
visibility
View drawing