Symbols
Write inequalities
Write inequalities from word problems
Solve inequalities
Graph inequalities
100
greater than
What is >
100
x is greater than 98.
What is x > 98
100
The height of a person should not be less than 5 ft to get a police job.
What is h ≥ 5
100
x+20>45
x>25
100

g ≥ 5

                  g

<-------------O-------------->

                   O-------------->

200
Less than or equal to
< _
200
x is less than or equal to -91
What is x ≤ -91
200

The maximum weight an elevator can lift is 2,200 pounds.

W < 2,200

200
f3<27
f<9
200

                     t

<--------------O------------>

<--------------6

t < 6

300
not equal to
=/=
300
x is greater than or equal to 14.
What is x ≥ 14
300
The class must raise at least $50 to go on a field trip. They have collected $10. Write an inequality to the amount of money, m, the class needs to raise.
What is m ≥ 40
300

K - 34 = 71

K = 105

300

X < 2

<-----------O

<-----------2

400
less than
<
400
x is at most 58
What is x ≤ 58
400

There are 42 photos. 7 photos are of his friends. How many photos are the rest of the students?

P + 7 = 42

400

2d = 18

d = 9

400

X > 5

O--------------->

5--------------->

500
greater than or equal to
> _
500
76 is greater than x.
What is 76 > x
500

Danny sends 3 emails to his friend every day. How many days will it take Danny to send 39 emails?

3d = 39

500
2x+12<4+24
x<8
500

X > 7

O------------>

7------------>

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