Cumulative frequency curve Class activity Play

Cumulative frequency curve Whiteboard presentation Play

Cumulative frequency table Whiteboard exercise Play

Cumulative frequency table Student activity Play

d- and f-block elements 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

Definition of basic trigonometric ratios Animation Play

Definition of trigonometric functions Whiteboard exercise Play

Definition of trigonometric functions Student activity Play

Derivative of linear combination of trigonometric functions Whiteboard exercise Play

Derivatives of the trigonometric functions in geometry Animation Play

Derivatives of trigonometric functions Class activity Play

Derivatives of trigonometric functions Whiteboard presentation Play

Describing class intervals Student activity Play

Describing class intervals – alto singers Whiteboard exercise Play

Descriptions of ski-jumps Whiteboard exercise Play

Determining the electron configuration on the basis of the periodic table Student activity Play

Determining the electron configuration on the basis of the periodic table Whiteboard exercise Play

Determining the signs of trigonometric functions Student activity Play

Distance – a more difficult problem Whiteboard exercise Play

Distance – a more difficult problem Student activity Play

Dmitri Mendeleev and the first periodic table Animation Play

Domain and periodicity of trigonometric functions Whiteboard exercise Play