Calculating a Percentage Change

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.

Mr Mathematics Blog

Angles in Polygons

There are two key learning points when solving problems with angles in polygons.  The first is to understand why all the exterior angles of a polygon have a sum of 360°.  The second is to understand the interior and exterior angles appear on the same straight line. Students can be told these two facts and […]

Getting Ready for a New School Year

When getting ready for a new school year I have a list of priorities to work through. Knowing my team have all the information and resources they need to teach their students gives me confidence we will start the term in the best possible way.  Mathematics Teaching and Learning Folder All teachers receive a folder […]

Mathematics OFSTED Inspection – The Deep Dive

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