Delicious meringues Whiteboard exercise Play

Denominators of fractions extendable to the denominators 10, 100, 1000, ... Whiteboard exercise Play

Deriving the expression for equilibrium constant for ammonia synthesis reaction Animation Play

Direct proportion Class activity Play

Direct proportion Whiteboard presentation Play

Distance between centres of two circles Whiteboard exercise Play

Dividing Whiteboard exercise Play

Dividing by a decimal Student activity Play

Dividing by a fraction Whiteboard exercise Play

Dividing by a fraction Student activity Play

Dividing common fractions and decimals Student activity Play

Dividing common fractions and decimals Whiteboard exercise Play

Dividing powers with the same bases Student activity Play

Dividing powers with the same bases: the fractions and the decimals Whiteboard exercise Play

Dividing two bars of chocolate Animation Play

Division of rational numbers Student activity Play

Egyptian notation Animation Play

Energy (calorific) values for some common fuels Chart Play

Equation of a straight line Whiteboard exercise Play

Equivalent fractions Student activity Play

Equivalent fractions Whiteboard exercise Play

Equivalent fractions Student activity Play

Estate Whiteboard exercise Play

Example of equivalent fractions Animation Play

Example of extension of fractions Animation Play