multistep percent problems – 7th grade – pre-algebra

Multistep Percent Problems7th Grade – Pre-Algebra

Lesson ObjectiveObjectives: Students will be able to:

Translate percent problems from written form to numerical form.

Convert percentages to fractions and decimals.

Solve multistep percent problems in numerical form.

What do you think of when you hear the word..

sale

sale

What tools do we need to compare different sales? We need to know how to

change percentages to fractions and decimals.

50% = = 0.50

We need to know how to translate percent problems.

Five = 5

50 100

How to change percentages to fractions and decimals:

50 % = fifty percent

_____ 100

Divide 100

centper

50 % = 50_____100

Example Problem

What is 25% of 36?

Example Problem

What is 25% of 36?

x

Example Problem

What is 25% of 36?

x =

Example Problem

What is 25% of 36?

x =0.25

Example Problem

What is 25% of 36?

x =0.25 ●

Example Problem

What is 25% of 36?

x =0.25 ● 36

Example Problem

What is 25% of 36?

x =0.25 ● 36

9=x

Example Problem

What is 30% of 54?

Example Problem

What is 30% of 54?

x

Example Problem

What is 30% of 54?

x =

Example Problem

What is 30% of 54?

x =0.30

Example Problem

What is 30% of 54?

x =0.30 ●

Example Problem

What is 30% of 54?

x =0.30 ● 54

Example Problem

What is 30% of 54?

x =0.30 ● 54

16.2=x

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Debrief Questions

Evaluation - How does language influence our

understanding of mathematics?

Analysis - What is the difference between the

words “of” and “out of?”

Application - How would you use what you have learned to

help you make better choices when

shopping?