Students learn about calculating a percentage change using a decimal multiplier.  Learning progresses from finding a simple percentage increase to solving financial maths problems with interest and depreciation.The start of the lesson recaps how to find a percentage of an amount without a calculator.  The plenary challenges students to compare three deals each of which involves a proportion change.

Differentiated Learning Objectives

• All students should be able to calculate a percentage increase using a multiplier.
• Most students should be able to calculate a percentage increase and decrease using a multiplier.
• Some students should be able to calculate a repeated percentage increase and decrease using a multiplier.

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Calculations with Percentages

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