Percent Increase and Decrease

Increase the percent of pupils that are fluent in solving change problems with an activity that asks class members to look at problems that involve either increases or decreases and to express the change in terms of the percent of the original amount. Learners then move on to find the original amount when given the percent change.

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CCSS: Designed
Instructional Ideas

  • Use manipulatives to help those that struggle to see the increase or decrease
  • Have classmates work the problem in more than one way to verify the solution
Classroom Considerations

  • Learners should be able to solve simple percentage problems
  • Fourth installment in a series of 20

  • Contains scaffolding suggestions
  • The answers show the work used to arrive at the answer

  • None
Common Core