Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Kendall's Vase Tax

For Teachers 5th - 7th
Students use percentage and addition to answer this real-world math performance task: Kendall bought a vase that was priced at $450. In addition, she had to pay 3% sales tax. How much did she pay for the vase?
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Lawrence Hall of Science

The Math Page: Skill in Algebra: Word Problems Equations With Fractions

For Students 9th - 10th
Here is a site that clearly and thoroughly shows how to solve word problems in which the derived equation has fractions involved. There are example problems solved, problems for the student to attempt, and answers to the student...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Voting for Two, Variation 3

For Teachers 5th - 7th
Young scholars use ratios to solve the following performance task: John and Will ran for 6th grade class president. There were 36 students voting. John got two votes for every vote Will got. It was necessary to get more than half the...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Voting for Two, Variation 2

For Teachers 5th - 7th
Students use ratios to solve the following performance task: John and Will ran for 6th grade class president. There were 36 students voting. John got two votes for every vote Will got. How many more votes did John get than Will?
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Shirt Sale

For Teachers 5th - 7th
Students use ratio and rate reasoning to solve the following performance task: Selina bought a shirt on sale that was 20% less than the original price. The original price was $5 more than the sale price. What was the original price?...
Unit Plan
Khan Academy

Khan Academy: Area Between Curves

For Students 9th - 10th
By integrating the difference of two functions, you can find the area between them. Created by Sal Khan.

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