The result of addition and subtraction of rational numbers Animation Play

The result of an operation as a recurring decimal Whiteboard exercise Play

The result of an operation as a recurring decimal Student activity Play

The Sahara and the Gobi Desert Whiteboard exercise Play

The sum and the difference of irrational numbers Whiteboard exercise Play

The value of the expression Whiteboard exercise Play

Tickets Animation Play

Transformation of algebraic equations Class activity Play

Transformation of algebraic equations Whiteboard presentation Play

Two-part calculations Student activity Play

Two-part calculations Whiteboard exercise Play

Using the distributive property Animation Play

Vector subtraction Student activity Play

Vector subtraction Whiteboard exercise Play

What can you afford in the Internet Café? Student activity Play

What is the missing number? Student activity Play

Why are they sums? Animation Play

Written methods Class activity Play

Written methods Whiteboard presentation Play

Written methods Class activity Play

Written methods Whiteboard presentation Play

Written methods Whiteboard presentation Play

Written methods Class activity Play

 Water Whiteboard exercise Play

 What can you afford in the Internet Café? Whiteboard exercise Play