Chapter 3

Order of Operations

100

7 x 8 - 4(6-2) + 18

58

200

6² - (8-3) + 2²(7x3)

115

300

14/2 - 3(8-6) + 7²

50

400

-9 - 3(7-2) + 24/3

-16

500

3(7 – 2)² + 8 ÷ -4 – 6 ⋅ -5  

103

Multiplying Decimals

100

(3.2) ⋅ (0.3)

0.96

200

(1.8) ⋅ (-0.032) 

-0.0576

300

(1.23) ⋅ (2.6)

3.198

400

(-0.126) ⋅ (3.4) 

-0.4284

500

-17 ⋅ (-32.016)

544.272

Fractions

100

5/8 - 2/3

-1/24

200

3/10 ⋅ -5/7

-15/70 or -3/14

300

-10/11 + (-3/5)

-83/55 or -1^28/55

400

-3 ^7/9 ⋅ (- 5/14 )

170/126 or 1^44/126

500

1 ^5/12 divided by (-2 ^3/5)

-85/156

Integers

100

-2 - (-7)

5

200

-6 x -2 x -3

-36

300

-10 + (-75) + 3

-82

400

20 - (-6) + 3 - 7

22

500

-10 - (10) + 10 - (-10)

0

Dividing Fractions

100

2/5 divided by 3/7

14/15

200

-1/8 divided by 2/3

-3/16

300

-4 ^1/5 divided by -4/3

63/20 or 3 ^3/20

400

1 ^4/5 divided by -4/9

-81/20 or -4 ^1/20

500

8 ^1/2 divided by 7 ^2/5

85/74 or 1 ^11/74