Unit Test Review

Integers

100

-8 + -10

-18

200

-7(-4)

28

300

-4+ -8 +13

1

400

Find the difference.

−13 − (−1) − 9

-21

500

-100 ÷ 25 x (-14) = ?

56

Variables and Expressions and Exponents

100

What is the little number above called? 5²

Exponent

200

Rewrite the following using exponent: 6 x 6 x 6 x 6 x 6

6⁵

300

Evaluate:

 a - bc,  when a = -4, b = 2, and c = 16.

-36

400

Write a variable expression:

3 times the sum of n and 5

3(n + 5)

500

The variable expression represented by: 

seven less than two times a number

2n - 7 ... whenever we see the word "than" we switch order.

Order of operations

100

(11 - 4) - 3 = ? 

4

200

15 +2 - 14 = ? 

3

300

Which operation would be done 2nd? Think Carefully. 

6 ÷ (−2) × (-4)² + (-9)

Division 

400

Solve the equation: 

8 ÷ (-2) + 2² = ?

0

500

Solve the equation:

[ 6² + ( 24 ÷ 6 + 22 )] = ?

62

Percentage

100

1. Convert fraction to percentage: 3/10

2. Convert percentage to fraction: 75%

1. 30% 

2. 3/4

200

1. Convert percentage to decimal: 50%

2. Convert decimal to percentage: 0.0006

1. 0.50

2. 0.06%

300

What number is 3% of 250? 

7.5 

400

Convert percentage to fraction:120%

6/5

500

1400% as a decimal 

14 or 14.00

Random

100

What is the divisibility rule for 4?

If you can divide the last two digits by 4, then the whole number is divisible by 4.

200

List the factors of 12.

1, 2, 3, 4, 6, 12

300

What is a prime number?

A number whose only factors are one and itself.

400

Is 1 prime or composite?

Neither. 

500

Which numbers is 6,320 divisible by?

1, 2, 4, 5, 10