Even and odd number of negative signs Whiteboard exercise Play

Factor out the common factor – reversing a sign Student activity Play

Finding the sign of the composite function Whiteboard exercise Play

Forming code words Animation Play

Forming words Student activity Play

Gradient of a hill Simulation Play

Gradient of a line Student activity Play

Gradient of a road Student activity Play

Gradient of a road Whiteboard exercise Play

Gradient of a road as a percentage Student activity Play

Houses on the bus road Animation Play

How do we write algebraic expressions? Student activity Play

Let us draw a road in the coordinate system Student activity Play

Model of the phenomenon Animation Play

Monotonicity and the sign of the derivative Animation Play

Monotonicity of quadratic function and sign of derivative Whiteboard exercise Play

Morse's Alphabet Animation Play

Multiplication of integers Student activity Play

Name of an algebraic expression Whiteboard exercise Play

Natural radiation Student activity Play

Natural radioactivity Slideshow Play

Negative numbers Animation Play

On the steep road Game Play

One quantity as a percentage of another Student activity Play

Operations on integers Student activity Play