7th GRADE MATH REVIEW!

Column 1

100

Solve:

-4x >8

x< -2

200

Simplify the following expression: 2(x + 7)

2x + 14

300

Solve: 2x < 16

 X<8

400

Simplify:  5 + 3(7x - 2)

21x -1

500

What is the top number in a fraction called?

Numerator

Column 2

100

Mrs. Davis bought 50 pounds of pizza dough and used it equally over 5 days.  How much pizza dough did she use each day?

10

200

Multiply/divide inequality:

x/4 < 3

x<12

300

Add and Subtract integers

-3 + 66 + -93 + 10

-20

400

Solve:  x + 8 >13

 x< 5

500

True or False? 

x = 1x

true

Column 3

100

Symplify the expression.

6/3 - (1+2)

6

200

Simplify the following expression: -4x - 7x + 9

-11x + 9

300

What is the definition of "absolute value"

Distance a number is from zero on the number line

400

Find the sum: (2.5x+8.4) + (3.6x+7.5)

6.1x+15.9

500

Simplify the expression:

-(x -10)

-1x+10

Column 4

100

Distribute 3(2x+6)

6x+18

200

Combine like terms: -2y+5+y-7

-1y-2

300

Find the difference:  (-2x+4) - (2x-3)

-4x+7

400

Simplify expression: (-2) . (-2)⁴

(-2)⁵

500

Simplify: 9+3(2x+4)

6x+21

Column 5

100

Find the sum:  -55.34 + 25 = 

-30.34

200

7⁵ / 7²

7³

300

Simplify -(2x-10)

-2x+10

400

Write the following in simplest form: 32/6

 5  1/3   or    16/3

500

true or false

15 - (-5) + 9 - 80 = -51

true

Column 6

100

What is 6/100 in decimal form? 

0.06

200

What is the correct Order of Operations/PEMDAS

Parenthesis

Exponents

Multiplication/Division (whichever comes first)

Addition/Subtraction (whichever comes first)

300

Evaluate the expression : (2)⁴

(2)¹⁶

400

Simplify expression: 4x-8+2x

6x-8

500

Evaluate: 125⁰

1