5th Grade - Inequalities Review

Solve

100

x - 7 > 13

x > 20

200

12 > 2x - 8

10>x

300

-3x + 4 <  -5

x> 3

400

7 - 2x > 21

x < -7

Graph the solution set

100

x - 5 < - 12

- closed dot on -7

- going to the LEFT

200

2x + 6 > 18

- open dot on 6

- going to RIGHT

300

-4x + 10 > 2

- open dot on 2

- going to the LEFT

400

-12 + 3x < 9

- closed dot on 7

- going to the LEFT

Equations

100

2x + 1 = 9

x = 4

200

x/2 + 5 = 12

x = 14

300

2/5x - 4 = 8

x = 30

400

3x + 2x - 4 = 21

x=5

Translate

100

4 added to a number is no more than 18

x + 4 < 18

200

A third of the cookies that Amber has is at least 24

 1/3x  > 24

300

Two-fifths of the students in Mr. Jones' class exceeds 24

2/5 x > 24

400

Twice the number of eggs is at most 22

2x < 22

Review

100

Rewrite in expanded form:

(1/4)^4

1/4 x 1/4 x 1/4 x 1/4

200

What property is shown by the example:

(3 x 4) x 5 = 3x (4 x 5)

Associative

300

Simplify:

4x + 5x +3y + 7y

9x + 10y

400

What number is 18.5% of 62?

11.47