The formula for linear regression Animation Play

The functions  y = x 2  and  y = –x 2 Student activity Play

The graph of the tangent Student activity Play

The history of π Animation Play

The Integer Root Theorem Student activity Play

The Kelvin scale Whiteboard exercise Play

The Kelvin scale Student activity Play

The Kelvin scale Animation Play

The magic box Whiteboard exercise Play

The mean and the modal value Student activity Play

The mean and the modal value Whiteboard exercise Play

The modal value Student activity Play

The modal value Whiteboard exercise Play

The modal value and the median Student activity Play

The modulus and inequalities Animation Play

The modulus and intervals Student activity Play

The modulus and intervals Whiteboard exercise Play

The modulus function Student activity Play

The most frequently observed data Animation Play

The mysterious box Animation Play

The nth term expression Whiteboard exercise Play

The number π Whiteboard exercise Play

The number π and the formula for the circumference of a circle Student activity Play

The period of the tangent Whiteboard exercise Play

The period of the tangent Student activity Play