Teach solving equations through an exploration of properties. Before pupils solve equations they manipulate them to produce equivalent equations. The activity switches the focus from finding a solution to applying properties correctly.

Concepts

solving equations, commutative property, associative property, addition property of equality, multiplication property of equality

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Additional Tags

math

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Instructional Ideas

• Use before solving equations to improve understanding of properties
• Ask learners to justify each step when solving equations

Classroom Considerations

• Pupils must be familiar with algebraic properties of solving equations
• The 13th in a 30-lesson series

Pros

• All handouts, keys, and a detailed teacher guide are included
• Solves equations using different starting points to reinforce algebraic properties

Cons

• None

Common Core

HSA-CED.A.3 HSA-CED.A.4 HSA-REI.A.1 HSA-REI.B.3 HSA-REI.C.5 HSA-REI.C.6 HSA-REI.D.10 HSA-REI.D.12 MP1 MP2 MP3