IM Unit 5

Multiply and Divide by Powers of 10

100

Yosef has $5.02. Jeremiah has 10 times as much money. How much money does Jeremiah have?

$50.20

200

63.7 x 0.01

0.637

300

13 ÷ 0.1

130

400

87 ÷ 0.01

8,700

Decimal Multiplication

100

1.2 x 5

6

200

0.4 x 0.2

0.08

300

6.5 x 8

52

Decimal ÷

100

4.2 ÷ 6

0.7

200

12.5 ÷ 5

2.3

300

150 ÷ 0.3 = 500

500

400

2.5 ÷ 0.5

5

Decimal Addition and Subtraction

100

14.7 + 2.96

17.66

200

1.75 + 2.8

4.55

300

46.17-8.25

37.92

Place Value

100

What is the number in standard form?

(5x100) + (2x1) + (6x0.1) + (3x0.001)

a) 52.63                c) 502.063

b) 520.63              d) 502.603

502.603

200

Compare using <, >, or =.

87.614             87.64

87.614  <   87.64

300

Round 2.186 to the nearest hundredth

2.19

400

In which number does the number 4 represent 1/100 the value of the 4 in 41.206?

a) 2, 415         c) 2.415

b) 24.15          d) 2.145

d) 2.145

In 41.206, the 4 represents 40. in 2.145, the 4 represents 0.04.

0.04 is 1/100 of 40, or 40 is 100 times 0.04.