Algebra
Build and connect the representations and methods in algebra.
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Before you begin
Build and connect the representations and methods in algebra.
Learning goals
- Use a chosen letter for an unknown number
- Write an algebraic expression for an operation
- Interpret an algebraic operation and its operands
- Collect like terms in a linear expression without brackets
- Evaluate a linear expression by substitution
- Solve a linear equation with whole-number coefficients
Syllabus statements covered
- using a letter to represent an unknown number
- notation, representations and interpretation of simple algebraic expressions such as • a ± 3 • a × 3 or 3a • a ÷ 3 or a/3
- simplifying simple linear expressions excluding brackets
- evaluating simple linear expressions by substitution
- simple linear equations involving whole number coefficient only
In this topic
About lesson progress
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Letters, expressions and equations
Distinguish an expression from an equation and undo operations while keeping equality.