Module 2 Review

Powers of 10

100

45.6 x 10³

45600

200

Use a power of 10

2.6 ÷ ____ = 0.026

10²

300

0.004 x 10⁴

40

400

785.32 ÷ 10²

7.8532

500

Use a power of 10

1.234 x ____ = 123.4

10²

Multiplication

100

4.3 x 5.7

24.51

200

0.302 x 3.5

1.057

300

80 x 300

24,000

400

8 x 0.003

0.024

500

(2 x 6) + (32 x 1.2)

50.4

Division

100

541 ÷ 5

108.2

200

212 ÷ 16

13.25

300

12 ÷ 300

0.04

400

1.608 ÷ 4

0.402

500

Round to the nearest hundredth

1793.6 ÷ 12

149.47

Word Problems

100

Mr. Carbonell's Flan recipe calls for 8 eggs for 1 flan.  If he has 268 eggs, how many flans can he make?

33 whole flans, and a half

33.5

200

Michael has a collection of 1,404 sports cards.  He hopes to sell the collection in packs of 36 cards and make $633.75 when all the packs are sold. If each pack is priced the same, how much should Michael charge per pack?

$17.60 per pack

300

Hayley borrowed $1,854 from her parents.  She agreed to repay them in equal installments throughout the next 18 months.  How much will Hayley still owe her parents after a year?

$618

400

The area of a rectangle is 56.96 m^2,, if the length is 16 m, what is its perimeter?

39.12 m

500

FREE POINTS!   Just answer this:

How old is Mr. Carbonell?

54

Estimation

100

Estimate by rounding first.

1.64 ÷ 22

1.60 ÷ 20 = 0.08

200

Estimate by rounding first.

123.8 ÷ 62

120.0 ÷ 60 = 2

300

Estimate by rounding first.

6.15 ÷ 31

6.0 ÷ 30 = 0.2

400

Estimate by rounding first.

85.2 ÷ 31

90 ÷ 30 = 3

500

Estimate by rounding first.

27.97 ÷ 28

27 ÷ 30 = 0.9