Study math for

one step equations: add and subtract

100

A + 3.8 = 4.3

what is A ?

0.5

200

x - 1/8 = 3/4

what is X ?

7/8

300

B + 1.3 = 9.21

What is B ?

7.91

400

X - 4 = 7/9 

what is X ? 

4 7/9

500

C + 2 3/4 = 3 1/4

What is C ?

1/2

One step equations: multiply and divide fractions

100

1/3 W = 15

what is W ?

45

200

7/8 W = 7

What is W ?

8

300

1/5 W = 3/8

what is W ?

1 7/8

400

W ÷ 5/6 = 18

what is W ?

15

500

4/7 W = 12 

what is W ?

21

One step equations: multiply and divide decimals

100

7w = 112

what is w ?

16

200

W ÷ 7 = 15

What is W ?

105

300

4.1W = 45.1

what is w? 

11

400

W ÷ 0.5 = 10.5 

What is W ?

5.25

500

3.1W = 39.68 

What is W ?

12.8

Translating and graphing Inequalities

100

A number is at least 45 (use x)

Translate and write an equation

x ≥ 45

200

a number is more than 5 (use x)

x > 5

300

you need to be at least 48 in. Tall to ride the roller coaster (use x as the variable)

x ≥ 48 in.

400

The greatest weight that a forklift can raise is 2500 lbs. (use X as a variable)

X ≤ 2500 lbs.

500

You can stay up to $50 on DVD players this week (use X as the variable)

X ≤ $50

Rules and patterns

100

y= 4x -4 

Solve the equation in the following order:

x 2|4|6|8

y 4|12|20|?

28

200

What is the ? 

X 5|7|9|10|?

Y 0|2|4|5|7

12

300

What is the equation for this question ? Use words

X 4|12|20|36|40

Y 1|3|5|9|10

X divided by 4 equals Y

400

Y = x ÷ 4 + 5

solve for the ?

X: |0|4|8|12|

Y:|5|6|?|8|

7

500

Y = 2x + 7. What is the ? 

X: |1|3|5|7

Y: |9|13|?|21

17