Topic 2 Review

2-3

100

r+23=40

r=17

200

y +13=98

y=85

300

 c-89=46

C= 135

400

 672=s-186

s=858

500

s-909=4,345

s=5,254

2-5

100

8y=56

y=7

200

x / 15= 3

x=45

300

99=3x

x=33

400

d / 2=108

d=216

500

96=16y

y=6

2-6

100

1 3/8 + x = 2 1/4

x = 7/8

200

c-2/3=4 1/5

c= 4 13/15

300

k x 1/8 =1 3/4

k = 14

400

a + 3 1/4 = 5 2/9

a= 1 35/36

500

2/5 x m = 1 1/7

m = 2 6/7

2-7/2-8

100

Write the equation

Up to 12 people can ride in the van

P is less than or equal to 12

200

The bracelet cost less than $85 

c < 85

300

He needs to drink at least 32 ounces of water. 

Greater than or equal to 32 

400

Name 3 solutions 

x<5

x=1,2,3

500

Name 3 solutions 

x>16

x = 18, 20, 201

Vocab

100

PEMDAS

Parenthesis, exponents, multiplication, division, addition, subtraction

200

Inverse relationship

when an operation undoes the other 

300

inequality 

a mathematical sentence that uses greater than, less than, greater than or equal to, or less than or equal to

400

Numerator

the top part of the fraction

500

Denominator 

Bottom part of a fraction