Lesson 19 Compare to 1
Let’s explain what happens when we multiply a fraction by a fraction greater than, less than, or equal to 1.
Warm-up What Do You Know About …?
What do you know about
Activity 1 Compare Fraction Products on the Number Line
Match the expressions and number lines that show the same value.
A B C Choose one of the expressions from each set and explain whether the value is greater than or less than the second factor.
Activity 2 True Statement
Problem 1
Rewrite each expression as a sum or difference of 2 products.
Problem 2
Fill in each blank with
Problem 3
Describe the value of the product when
is multiplied by a fraction greater than 1. Explain your reasoning. Describe the value of the product when
is multiplied by a fraction less than 1. Explain your reasoning.
Practice Problem
Problem 1
Use the equation