Students learn about substituting numbers into expressions.  Using the order of operations they are taught how to break down and evaluate an expression.At the start of the lesson students use the correct notation to complete an algebra product grid.  In the main phase they learn how to substitute known values into an expression using BODMAS and evaluate the result. The plenary challenges students to sort a range of expressions through substitution.

Differentiated Learning Objectives

• All students should be able to substitute known values into algebraic expressions in the form x ± a.
• Most students should be able to substitute known values into algebraic expressions using the order of operations.
• Some students should be able to substitute known values into algebraic expressions involving powers.

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Scheme of Work Link

Writing with algebraic notation

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