Math 7 - Ch 2 Test Review

2.1 - Multiplying Integers

100

Solve.

-7 * -5

35

200

Solve.

-2^2

-2 * -2 = 4

300

-4(25 * 3^2)

-4(25 * 9)

-4(125)

500

400

2 + 1 * (-7 + 5)

2 + 1 * (-2)

2 +(-2)

2-2 = 0

500

5 - 8^2

5-64 = -59

2.2 - Dividing Integers

100

0 / -2

0

200

-64/8

-8

300

-20 / 4

-5

400

-84/-7

12

500

18/-3

-6

2.3 - Converting between fractions and decimals

100

Write as a decimal

-3 1/2

-3.5

200

Write as a fraction.

0.5

5/10 = 1/2

300

Write as a fraction.

0.36

36/100

18/50

9/25

400

Write as a decimal.

-13/11

DO THE LONG DIVISION.

-1.18 

500

Write as a decimal.

-5/11

0.4545

2.4 - Multiplying Rational Numbers

100

Multiply.

(4/7) * (-3/8)

-3/14

200

Multiply.

(0.4) * (-0.03)

-0.012

300

-3 1/3 * (-2 7/10)

-10/3 * -27/10

27/3

9

400

5/6 * (-4 1/2) * (-2 1/5)

5/6 * (-9/2) * (-11/5)

99/12

500

(-1 2/3)^3

(-5/3) * (-5/3) * (-5/3)

-125/27

2.5 - Dividing Rational Numbers

100

Divide.

-7/10 div 2/5

-7/10 * 5/2

-35/20

-7/4

200

Divide.

-8 div (-2.2)

-3.6363

300

-2 4/5 div (-7)

-2 4/5 div -7/1

-14/5 * -1/7

-2/5

400

Divide.

10 2/7 div (-4 4/11)

72/7 div (-48/11)

72/7 * -11/48

33/14

500

Divide.

12.87 div (-4.2)

-3.06