Seventh Grade Summer School Review

Negative Numbers

100

-4+7

3

200

9-(-8)

17

300

2x(-10)

-20

400

-3x(-9)

27

500

-36/6

-6

Order of Operations

100

What is the Order of Operations?

PEMDAS- Parentheses, Exponents, Multiplication/Division, Addition/Subtraction

200

What is the first step in the following expression?

3-7+11

3-7=-4

300

Simplify: 3(4-2)+4/2

8

400

Simplify: 7-2/2+4x3

18

500

Simplify: 2³+(7+2)/3-4

7

One-Step Equations (Addition/Subtraction)

100

What is the inverse of addition?

Subtraction

200

x+4=7

x=3

300

x-7=11

x=18

400

x+-2=3

x=5

500

x-(-9)=2

x=-7

One-Step Equations (Multiplication/Division)

100

What is the inverse of division?

Multiplication

200

3x=18

x=6

300

7x=21

x=3

400

x/3=8

x=24

500

2/3x=8

12

Fractions

100

What do you need in order to add and subtract fractions?

A common denominator

200

2/5 + 1/5

3/5

300

1/3 - 1/6

1/6

400

1/3 x 2/5

2/15

500

1/5 / 2/3

3/10