Put your students on the path to making knowledgeable purchasing decisions. Help them learn about sales and income tax, as well as simple and compound interest, in these free activities.
Materials Needed
- Student sheets
- Teacher guide (provides solutions for all problems with this week's lessons)
Each activity is intended to be completed within a day for a complete week of lessons.
The student sheets can be printed and completed by the student, or the student can write their answers on a blank sheet of paper.
Are You Ready? Learn about Percents and Decimals
Activity 1: Calculating Sales and Income Tax
Activity 2: Calculating and Comparing Simple and Compound Interest
Activity 3: Making Purchasing Decisions
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Find more math activities for Grades 6-8.
This blog, originally published in 2020, has been updated for 2025.
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