7th Grade Math Website

Lesson 5.3 - Applications of Percents

Check HW: 5-1 A/B Evens

Propportunity:

I can solve problems with sales tax and tip.

What is sales tax?

Anyone know how much Wisconsin's sales tax is?

Anyone know how much we pay in Green Bay? Why?

So for every dollar you spend in Green Bay, how much will you

really pay once the sales tax is added on?

How do you think we might solve a problem like this?

Your turn p. 154 with your elbow partner

Share

p. 156 # 1-6

Check answers

Leaving a tip is just like calculating tax. How would you solve this?

DiscountsMarkupsSalesTaxandTip (1).ppt

Tax and Tip worksheets

Tax/Tip Worksheet.pdf

Homework: 5-3 A/B # 1

Lesson 5.3 Day 2

Check HW: 5-3 A/ B #1

Propportunity:

I can solve simple interest problems.

What would happen if we change the years to 3?

Can you think of a formula to calculate simple interest?

Notes on simple interest

Lets try one together

Your turn

Guided Practice p. 156

Homework: Lesson 5-3 A/B # 2

Lesson 5-3 Optional 3rd Day

Check HW: 5-3 A/B # 2

Propportunity:

I can use interest and percents.

Performance Task

Independent Practice p. 157-158

Extra Time? 5-3 C page

Homework: 5-3 A/B #3-6

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