Grade 8 Review!

Integers

100

-2+4

2

200

-7 x -7

49

300

2 - 8 + (-12) + (+7)

-11

400

(-36) + (-22) - (-12) - (+3)

-49

500

347 - (-123) + (-333) - (453) + (+111) - (-98)

-107

Order of Operations

100

3(0+7)-6/3

19

200

2³+(4-2)

10

300

(3x5²/15) - (5-2²)

4

400

-1 [(3 - 4 x 7) / 5] - 2 x 24/6

-3

500

(22 / 2 - 2 x 5)² + (4-6 /6)²

10

Operations with fractions

100

2/3 + 4/3 - 6/3

0

200

Reduce the following fraction:

28/63

4/9

300

2/3 + 1/21 - 2/7

Give answer in most simplified fraction

3/7

400

3 1/5 x 1 1/4

4

500

Miguel bought 2 1/4 pounds of hamburger, 1 1/5 pounds of sliced turkey, and 2 pounds of cheese. What was the total weight of all of his purchases? (Give answer in mixed fraction)

5 9/20 pounds

Percents

100

Convert 0.63 to a percent

63%

200

Convert 11/50 to a percent

22%

300

What is 0.05 as a fraction? (REDUCE!)

1/20

400

Jimmy got 32/46 on his biology test. What percent did he get?

Round to the nearest percent.

70%

500

What is 13.5% of 28? Include 2 decimal places.

3.78