Review: Ratios and Rates (Lessons 1-5)

Front

What are the factors of 25?

Back

1, 5, 25

Front

Which is NOT a way to write a ratio?

Back

3.5

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the LCM of 4 and 10?

Back

20

Front

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

Back

The 12 pack of Coke

Front

Define a ratio.

Back

A ratio is a comparison of two quantities by division.

Front

What is a rate?

Back

A rate is a special kind of ratio that compares two quantities with different units.

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and find the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and find the smallest multiple they have in common.

Front

What is the formula for calculating unit rate?

Back

Unit Rate = Total Quantity / Number of Units.