Common tangents to the curves Whiteboard exercise Play

Common unidentate ligands Chart Play

Completing the perfect square Student activity Play

Decay law Class activity Play

Decay law Whiteboard presentation Play

Decay law Class activity Play

Decay law Whiteboard presentation Play

Distance between centres of two circles Whiteboard exercise Play

Dividing common fractions and decimals Student activity Play

Dividing common fractions and decimals Whiteboard exercise Play

Energy (calorific) values for some common fuels Chart Play

Energy in nuclear reactions Whiteboard exercise Play

Energy in nuclear reactions Student activity Play

Exponential law of decay Student activity Play

Expressions with common fractions and decimals Whiteboard exercise Play

Expressions with common fractions and decimals Student activity Play

Factor out the common factor Whiteboard exercise Play

Factor out the common factor Student activity Play

Factor out the common factor – reversing a sign Student activity Play

Factorisation is not always possible! Student activity Play

Factorising algebraic expressions Student activity Play

Factorising perfect square trinomials – common factor first Whiteboard exercise Play

Factorising perfect square trinomials – common factor first! Student activity Play

Finding common denominators Animation Play

Finding the common ratio and the first term of the geometric series Whiteboard exercise Play