# Reverse Percentages

Using equivalent ratios students learn how to work a percentage change in reverse to calculate the original 100% value.  As learning progresses they are challegned to apply their learning to solve real life problems in context.
##### Differentiated Learning Objectives
• All students should be able to calculate 100% when given a representative percentage change.
• Most students should be able to calculate the original value after a real life percentage change.
• Some students should be able to calculate the original value after a compound percentage change.
##### Related Blog
SKU: 167

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