Math Review 11/14

Multiplication

100

287 X 9

2,583

200

561 X 11

6,171

300

459 X 26

11,934

400

786 X 51

40,086

Powers of 10

100

72 X 10²

7,200

200

1,156 X 10¹

11,560

300

83.7 X 10³

83,700

400

456.8 ÷ 10³

0.4568

Division

100

371 ÷ 3

123 r 2

200

4,289 ÷ 7

612 r 5 

300

1,025 ÷ 12

85 r 5

400

7,281 ÷ 15

485 r 6

Division as Fractions

100

9 ÷ 18

9/18 or 1/2 

200

4 ÷ 7

4/7 

300

21 ÷ 25

21/25

400

15 ÷ 18

15/18 or 5/6