Cross-multiplication Student activity Play

Cross-multiplication Whiteboard exercise Play

Cumulative frequency curve Whiteboard presentation Play

Cumulative frequency curve Class activity 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

Delicious meringues Whiteboard exercise 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

Difference of squares Student activity Play

Different questions about the same operation. How much more? How much less? Student activity Play

Distance – a more difficult problem Whiteboard exercise Play

Distance – a more difficult problem Student activity Play

Distribution of multiplication over addition Whiteboard exercise Play

Distribution of scalar multiplication over scalar addition Game Play

Distribution of scalar multiplication over vector addition Animation Play

Distributive property Whiteboard exercise Play

Distributive property Student activity Play