Students learn about solving an equation with function machines.  More able students can use the balance method to fing the unknown.At the start of the lesson students recap how to substitute numbers into expressions.  In the main part they are taught how to use the order of operations and function machines to find the unknown

Differentiated Learning Objectives

• All students should be able to use function machines to find the unknown value in a single step equation.
• Most students should be able to use function machines to break down an equation and find the value of the unknown.
• Some students should be able to solve equations using the balance method.

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Scheme of Work Link

Writing with algebraic notation

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