Module 1 Review: Ratios/Rates/Percents

What is a ratio?

• is a comparison of two quantities

• a rate with a denominator of one

• is when the only factor the numerator and a the denominator is one

• two decimals that can be multiplied

What is the ratio of red apples to green apples

• 7 to 3

• 4 to 7

• 4 to 3

• 3 to 4

The ratio of GREEN counters to BLUE counters is 4:5. What fraction of the counters are GREEN?

• 
  ⁵/₄

• 
  ⁴/₅

• 
  ⁴/₉

• ⁵/₉

Angie purchased 25 fruits in all. 10 were apples and the rest were peaches. What is the ratio of peaches to apples? (In simplest form)

• 3/2

• 25/10

• 10/25

• 2/3

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• 
  $8 per pound

• 
  $5 per pound

• $35 per pound

• 0.125 pounds per dollar

Four pounds of bananas cost $6.  What is the cost per pound of bananas?

• $24 per pound

• 
  $1.50 per pound

• $1 per pound

• 
  $6 per pound

A sixth-grade math teacher can grade 25 homework assignments in 20 minutes. Is he working at a faster rate or slower rate than grading 36 homework assignments in 30 minutes?

• 
  Slower rate

• 
  Faster rate

• 
  He didn't grade them

• Everyone got a 100

Which is the better buy (lowest price per can)?  A 12 ounce can of corn for $1.92 OR  a 20 ounce can of corn for $3.00?

• 
  They are the same

• The  20 ounce can

• The 12 ounce can

What is 12% of 40?

• 5

• 4.8

• 4

• 12

75% of what number is 48?

• 48

• 100

• 64

• 75