An electric circuit Student activity Play

Applying the difference identity for the cosine Whiteboard exercise Play

Applying the sum and difference identities for the sine Whiteboard exercise Play

Applying the sum and difference identities for the sine and cosine Student activity Play

Applying the sum and difference identities for the sine and cosine Whiteboard exercise Play

Applying the sum and difference identities for the tangent Student activity Play

Applying the sum and difference identities for the tangent Whiteboard exercise Play

Arithmetic progression – finding the first term and the difference Whiteboard exercise Play

Arithmetic sequence Class activity Play

Arithmetic sequence Whiteboard presentation Play

Arithmetic series Class activity Play

Arithmetic series Whiteboard presentation Play

Binomial difference Animation Play

Bremsstrahlung Animation Play

Bremsstrahlung (braking radiation) Student activity Play

Cheaper, more expensive Whiteboard exercise Play

Cheaper, more expensive Student activity Play

Comparing tariffs Animation Play

Comparing tariffs Whiteboard exercise Play

Comparing tariffs Student activity Play

Completely factorisation using the difference of squares Whiteboard exercise Play

Completing the perfect square Student activity Play

Consequences for cloning of differences in genetic material Slideshow Play

Current in gases Student activity Play

Current in gases Animation Play