Rates & Unit Rates

Percent Problems

Ratios

Customary Conversions

Metric Conversions

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?????Rates & Unit Rates

Percent Problems

RatiosCustomary

Conversions Metric Conversion

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How do you change a rate

into a unit rate?

Make the denominator equal 1 by dividing the

numerator and denominator by the

denominator?

I traveled 300 miles with 6 gallons of gas (in my Prius). Change that to a

unit rate

50 miles per gallon

I paid $5.99 for 64oz of ice-cream. Find the cost per ounce.

$0.09 per oz

Change each to a unit rate to determine

which is the better deal:

A: $2.05 for 16lb B $3.92 for 28lb

choice A ($0.13/lb)?

Jerry threw 80 strikeouts in 10 games. Tom had 64 in 8 games. Who has the better strikeouts per game average and by

how much?

They had the same number of

strikeouts

Change 25% to a fraction in simplest

form.

1/4

25% of what number is 100?

400

70% of what number is 245

350

20% of what number is 7

35

95% of what number is 19?

20

There are 12 boys and 22 girls. What is the

ratio of boys to girls in simplest form?

6:11

The ratio of pigs to cows is 25:15. What is

the ratio in simplest form?

5:3

The ratio of blue socks to green socks

is 2:3, give 2 equivalent ratios.

Possible answers 4:6,

6:9, 8:12, 20:30

True or False-

5:12 is equivalent to 1:3

False

Find the missing number in these

equivalent ratios.

2:3 = 22:?

33

28yd = ___ft

84ft

6000lb = ___T

3T

24c = ___ pt

12 pt

32 lb = ___ oz

512 oz

2 gal = ___ qt

4qt

35 kg = ___ g

35000 g

128,000 mL = ___ kL

0.128 kL

5.4 m = ___ cm

540 cm

450 m = ___ km

0.45 km

0.563 g = ___ mg

563 mg

 

Is 9:12 equivalent to

45:60?

yes

Describe the ratios formed by the figure below in 4

different ways?

3 shaded : 8 total 8 total : 3 shaded

5 unshaded : 8 total 8 total : 5 unshaded

5 unshaded : 3 shaded 3shaded : 5 unshaded

What are three ways of writing a ratio? (You can use any numbers to make

your ratios)

2 : 5

2 to 5 and

25

Write as a ratio in simplest form:

70 homes out of 125 have a computer with

internet access.

14 to 25

72 qt = ___ pt

144 pt