# Changing the Subject of a Formula

#### What's Included

• Smart Notebooks Presentation
• Activ Inspire Flipchart
• Lesson Plan
• Microsoft PowerPoint Presentation
• Differentiated Worksheet

# Changing the Subject of a Formula

Students learn about changing the subject of a formula using the balance method.  As learning progresses they use substitution and work with formulae involving powers and roots.

The start of the lesson recaps substituting known values into formulae as this can be used to check solutions later on.  The plenary assesses learning against each of the differentiated learning objectives.

##### Differentiated Learning Objectives
• All students should be able to rearrange a formula in the form y = mx + c
• Most students should be able to rearrange a formula in the form ax + by = c
• Some students should be able to rearrange a formula involving powers.
##### Scheme of Work Link
Expressions, Equations and Formulae

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