Visual Reference / Number & Algebra / Rules of Algebra
Number & Algebra
Rules of Algebra
Use algebraic notation, collect like terms and substitute values into expressions with confidence.
Curriculum rangeYears 6–9
Only terms with the same letter (and the same power) can be combined.
3
2
5
-4
3x + 2 + 5x - 4
= 3x + 5x + 2 - 4
= 8x - 2
Group the x-terms together and the number terms together, then add each group separately.