CC2 Chapter 3 Review

Evaluate Expressions

100

Evaluate 3n - 5 when n = 8.

3n - 5 = 3(8) - 5 = 24 - 5 = 19

200

Evaluate 5x + 7y when x = -2 and y = 4.

5(-2) + 7(4) = -10 + 28 = -18

300

(7^2 - 1) div 4 + 2

14

400

-3 \cdot 2 \div (-2-4)

-6 div -6 = 1

Multiply Fractions & Mixed Numbers

100

3/8 \cdot 4/5

12/40 = 3/10

200

Multiply and simplify your answer:

8/9 \cdot 3/4

24/36 = 2/3

300

Multiply.  Simplify your answer and write it as a mixed number.

3 1/3 \cdot 2 1/2

50/6 = 25/3 = 8 1/3

400

Multiply.  Simplify your answer and write it as a mixed number.

7 \cdot 4 1/5

147/5 = 29 2/5

Divide Fractions & Mixed Numbers

100

Divide and simplify your answer.

3/4 \div 1/2

3/4 \div 1/2 = 3/4 \cdot 2/1 = 6/4 = 3/2

200

Divide and simplify your answer.

5/6 \div 3/4

5/6 \div 3/4 = 5/6 \cdot 4/3 = 20/18 = 10/9 = 1 1/9

300

Divide and simplify your answer.

1 1/3 \div 1 1/2

4/3 \div 3/2 = 4/3 \cdot 2/3 = 8/9

400

Divide and simplify your answer.

1 1/3 \div 6

4/3 \cdot 1/6 = 4/18 = 2/9

Multiply Decimals

100

Multiply: 0.2(0.8)

0.16

200

Multiply: 5(0.5)

2.5

300

Multiply:  0.03(1.2)

0.036

400

Multiply:  (0.08)(4.7)

0.376

Integer Operations

100

-9 + 15

-6

200

5 - (-7)

12

300

8(-9)

-72

400

(-77)/-7

11

500

-14(-8) - 100

12