Math 7 Chapter 2 Review

General Rules

100

(+) x (+) =

(+) or positive

200

(+) x (-) =

-

300

Tell whether the expression is positive or negative without evaluating.

-3/10 * (-8/15)

positive

400

How is multiplying and dividing rational numbers similar to multiplying and dividing integers?

The same rules for signs of integers are applied to rational numbers.

500

Tell whether the expression is positive or negative without evaluating.

-6/5-:(-1/2)*6.3

Positive

Multiplying and Dividing Integers/RN

100

-4 x (-6)

24

200

-9 x 4

-36

300

-7.2 x 0.1

-0.72

400

- (-81/-9)

-9

500

6 x (-0.05)

-0.3

Multiplying Fractions

100

9/10 * (-2/3)

-3/5

200

-5/8 * (-4/15)

1/6

300

-2 3/8*(-1 3/5)

19/5 or 3 4/5

400

-12 * 5/8

-15/2 or -7 1/2

500

-3/5 * 2 2/7

-48/35 or -1 13/35

Dividing Fractions

100

-5/6-: 1/6

-5

200

-4/11-: -2/7

14/11 or 1 3/11

300

9/10-:(-1 1/5)

-3/4

400

-4 1/6-:1 1/3

-3 1/8 or -25/8

500

-1/8-: 6 1/10

-5/244

Random Trivia

100

What is my first name?

Kyle

200

What famous author wrote the book, "Hop on Pop"?

Dr. Suess

300

Tell me the NFL team with the following players?

DeAndre Swift

Keenan Allen

Caleb Williams

Chicago Bears

400

Sharks have how many bones?

Zero

500

Jefferson City is the capital of what state?

Missouri