Copyright © Swun Math Grade 6 Unit 6 Lessons 19-20a Re-Engage
Name: ____________________________
Date: ______________________________
Re-Engage
Unit 6 Lessons 19-20a: Percentage of a Number:
Find the Part
Model
1. What is 20% of 30? 2. What is 30% of 50?
3. What is 60% of 40? 4. What is 70% of 80?
Structured Guided Practice
Directions: Solve.
What is 30% of 200?
Percent
=
Part
100 Whole
30
=
Part
100 Whole
30
=
Part
100 200
30
=
x
100 200
100x
=
6000
100 100
x = 60
Percent Proportion
 The percent is always out of 100, so place
30 above 100.
 200 is the whole, so replace “whole” with
200.
 Solve using cross multiplication or
reasoning.
 30% of 200 is 60.
=
100
=
100
=
100
=
100
Copyright © Swun Math Grade 6 Unit 6 Lessons 19-20a Re-Engage
Re-Engage
Unit 6 Lessons 19-20a: Percentage of a Number:
Find the Part
Student Practice
Directions: Solve.
1. What is 10% of 20? 2. What is 20% of 80?
3. What is 40% of 80? 4. What is 30% of 60?
5. What is 60% of 20? 6. What is 90% of 30?
=
100
=
100
=
100
=
100
=
100
=
100