Review Topic 6

POWERS OF 10

100

34.6/10

3.46

200

6,483/100

64.83

300

5,913/1,000

5.913

400

148.3/100

1.483

500

4,678/1,000

4.678

LETS GET COMPATIBLE

100

Use compatible numbers to divide...

26.5/5

So, 26.5/5 is about 5

25/5=5

200

Use compatible numbers to divide...

49.6/7.8

So, 49.6/7.8 is about 7

49/7=7

300

Use compatible numbers to divide...

121/12.75

So, 121/12.75 is about 11

121/11=11

400

Use compatible numbers to divide...

32.41/10.9

So, 32.41/10.9 is about 3

30/10=3

500

Use compatible numbers to divide...

28.5/0.94

So, 28.5/0.94 is about 30

30/1=30

GETTING DOWN WITH ONE DECIMAL

100

6.58/7

0.94

200

156/8

19.5

300

34.2/3

11.4

400

5.84/4

1.46

500

12.5/6

2.0 or 2.08

WOAH GET DOWN WITH TWO DECIMALS

100

6.4/3.2

2

200

9.6/0.8

12

300

41.8/2.2

19

400

81.4/7.4

11

500

9.6/0.03

320

CAN YOU SOLVE THE STORY?

100

Mrs.Spink pays $66.85 for a costume pattern and 8 yards of fabric. the costume pattern costs $4.85. How much does each yard of te fabric cost?

$7.75

200

A 12-ounce bottle of shampoo costs $4.20. A 16-ounce bottle cost $6.88. Which shampoo costs less per ounce? How do you know?

The 12 ounce bottle costs less at $0.35 per ounce

300

A bushel of apples weighs about 42 pounds. There are 4 pecks in a bushel. It takes 2 pounds of apples to make one pie. How many pies can you make with one peck of apples?

5 pies with one peck of apples

400

Ian uses 4 feet of ribbon to wrap each package. How many packages can he wrap with 5.6 yards of ribbon?

(REMEMBER THERE ARE 3 FEET IN A YARD!)

4 packages

500

A florist sells a dozen roses for $29.88. What is the cost of one rose?

$2.49