Triangular numbers Whiteboard exercise Play

Triangular numbers Student activity Play

Two-part calculations Student activity Play

Two-part calculations Whiteboard exercise Play

Using algebraic expressions Whiteboard exercise Play

Using algebraic expressions Student activity Play

Value of an algebraic expression Animation Play

What are algebraic expressions used for? Student activity Play

What are algebraic expressions used for? Whiteboard exercise Play

What is a rational expression? Student activity Play

Writing algebraic expressions Whiteboard presentation Play

Writing algebraic expressions Class activity Play

Writing in the form of algebraic expression Whiteboard exercise Play