Math Review

Positive and Negative Integers

100

What is the sum of -8 and 5?

-3

200

Which is greater, -12 or -7?

-7

300

If you start at 0 and move 4 units to the left, what integer would you land on?

-4

400

 Simplify: -3 + (-7)

-10

500

Solve: 10 - (-3)

13

Absolute Value

100

What is the absolute value of -9?

9

200

True or False: Absolute value is always positive.

True

300

 Find the absolute value of -15.

15

400

 If the absolute value of x is 8, what are the possible values of x?

•  x = 8 or x = -8

500

Calculate: |-7| + |-4|

11

Decimal Addition and Subtraction

100

Calculate: 3.5 + 2.4

5.9

200

Subtract: 8.6 - 3.2

5.4

300

Solve: 0.63 + 0.92

1.55

400

 If you have $50.35 and spend $12.99, how much money do you have left?

$37.36

500

If a book costs $15.25 and a pen costs $3.50, what is the total cost?
 

$18.75

Decimal Multiplicationand Division

100

Multiply: 3.75 x 2

7.5

200

 What is 9.6 ÷ 3?

3.2

300

What is the product of 1.3 x 2.5?

3.25

400

 If you share $25.60 equally among 4 friends, how much does each friend get?

$6.40

500

 If a store sells 5 toys for $2.25 each, how much do they make by selling all 5?

$11.25

Order and Compare Integers

100

Arrange the integers -5, 0, 3, -2 in ascending order.

 -5, -2, 0, 3

200

 Which is larger, -16 or -22?

-16

300

True or False: -9 is less than -6.

True

400

Compare: -5 and -10 using <, >, or =.

-5 > -10

500

Arrange the following integers in descending order: 7, -3, 0, -1

7, 0, -1, -3