Rate, Ratio, Proportion, Percent - Know How!

Chris made $82 in 8 hours of work. How much is his hourly payment?

What would you do to solve this problem?

• Divide 82 with 8

• Divide 8 with 82

• Multiply 82 and 8

• Add 82 and 8

John is a very good player for his team. He scored 168 points in his last 14 games. How many points he scored on an average in one game?

What would you do to solve this problem?

• Subtract 14 from 168

• Add 168 and 14

• Divide 14 with 168

• Divide 168 with 14

Which is a better buy? $6.20 for 10 pencils or 6.80 for 12 pencils?

How would you solve this problem?

• Divide 10 with 6.20 and 12 with 6.80 and see which is cheaper

• Divide 6.20 with 10 and 6.80 with 12 and see which is cheaper

Jack used 12 Centimeters of tape to wrap 5 presents. How many presents Jack can wrap if he has 25 centimeters of tape.
Which setting of proportion is correct to solve this problem? 

 $\frac{12}{5}=\frac{25}{x}$  (A)

 $\frac{12}{5}=\frac{x}{25}$  (B)

• A

• B

Harold took a total of 12 quizzes over the course of 2 weeks. How many weeks are needed for him to take 40 quizzes?
Which setting of proportion is correct to solve this problem?

 $\frac{12}{2}=\frac{x}{40}$  (A)

 $\frac{12}{2}=\frac{40}{x}$  (B)

• A

• B

Keith bought 4 shirts for $40.20. What would be his cost for 13 shirts?
What is the correct proportion to be set to solve this problem?

 $\frac{4}{40.20}=\frac{13}{x}$  (A)

 $\frac{4}{40.20}=\frac{x}{13}$  (B)

• A

• B

If 3 feet is 36 inches, how many inches would be 5.5 feet?
What is the correct proportion to be set to solve this problem?

 $\frac{3}{36}=\frac{x}{5.5}$  (A)

 $\frac{3}{36}=\frac{5.5}{x}$  (B)

• A

• B

If 24 feet is 8 yard, then how many yards are 10 feet?
What is the correct proportion to be set to solve this?

 $\frac{24}{8}=\frac{10}{x}$  (A)

 $\frac{24}{8}=\frac{x}{10}$  (B)

• A

• B

If 72 inches are 2 yards, how many inches are 1.5 Yards?
Which is the correct proportion to solve this problem?

 $\frac{72}{2}=\frac{1.5}{x}$  (A)

 $\frac{72}{2}=\frac{x}{1.5}$  (B)

• B

• A

If .5 mile is 880 yards, then how many yards would be 2.5 miles?
What is the correct proportion to solve this?

 $\frac{.5}{880}=\frac{x}{2.5}$  (A)

 $\frac{.5}{880}=\frac{2.5}{x}$  (B)

• B

• A