The interior angle of a regular polygon Student activity Play

The least common denominator Student activity Play

The least common multiple (lcm) Student activity Play

The length of an arc – finding the angle Whiteboard exercise Play

The line and the circle Student activity 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 method of finding lcm(a, b) Animation Play

The method of finding the sum of vectors Animation Play

The modal value Student activity Play

The modal value Whiteboard exercise Play

The modal value and the median 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 Student activity Play

The period of the tangent Whiteboard exercise Play

The periods of the sine and the cosine Student activity Play

The price of a cinema ticket Whiteboard exercise Play

The price of land Animation Play

The Pythagorean identity Whiteboard exercise Play

The quadratic function with one parameter and a constant value Whiteboard exercise Play