Data correction Animation Play

Defining a function by a table Animation Play

Defining a function by a table Student activity Play

Defining a function by a table – activity Whiteboard exercise Play

Degree of disorder, probability and entropy Whiteboard exercise Play

Describing class intervals Student activity Play

Describing class intervals – speed of light Whiteboard exercise Play

Detecting outliers Student activity Play

Detecting outliers Whiteboard exercise Play

Determination of average atomic mass of boron Animation Play

Determining the empirical formula Whiteboard exercise Play

Determining the empirical formula Student activity Play

Discrete variables Slideshow Play

Displacement, distance and velocity Whiteboard presentation Play

Displacement, distance and velocity Class activity Play

Dissolution Animation Play

Distance – time graph Student activity Play

Distance – time graph Whiteboard exercise Play

Distance, time, velocity Student activity Play

Dot plot Animation Play

Dot plot Student activity Play

Drawing a graph of absolute value of the given function Whiteboard exercise Play

Early attempts to classify chemical elements (2) Student activity Play

Eka-aluminium and eka-silicon Whiteboard exercise Play

Elimination the extreme values Animation Play