Math Review

Order of Operations

100

3+15-5(2)

8

200

3(2+7)

27

300

25-(6)(4)

1

400

68-(12/2)+3

65

500

3[9-(6-3)]-10

8

Words to Equations

100

Six less than x.

x-6

200

Fourteen times x added to 5.

14x+5

300

Four more than the product of eight and x.

8x+4

400

x divided equally among twelve people.

x/12

500

Seven less than the quotient of x and nine.

x/9 - 7

Evaluating Expressions

100

When x=3,

x+6= 

9

200

When y=5,

y-7= 

-2

300

When a=3.

2a+7= 

13

400

When b=3 and c=2,

3b-2c= 

5

500

When a=2, b=-1, c=3,

b+4ac=

23

Solve for the Variable

100

x+2=5

x=3

200

4y=24

y=6

300

2y-6=10

y=8

400

3a+5=20

a=5

500

2x-8+4x=10

x=3

Simplifying Equations

100

2x+3x-6

5x-6

200

4x+4-2x

2x+4

300

3b-7-8b

-5b-7

400

-2y+7y+y

6y

500

-v+3+v+10

13