Proving identities Whiteboard exercise Play

Proving identity for the tangent Whiteboard exercise Play

Proving trigonometric identities Whiteboard exercise Play

Proving trigonometric identities Student activity Play

Proving trigonometric identity using the Pythagorean identity Whiteboard exercise Play

Simple examples of index laws Whiteboard presentation Play

Simple examples of index laws Class activity Play

Size of electric current Student activity Play

Size of electric current Animation Play

Size of electric current Whiteboard exercise Play

Solving systems of linear equations Student activity Play

Solving systems of linear equations by Gaussian elimination Whiteboard exercise Play

Square a of difference Student activity Play

Square of a difference Whiteboard exercise Play

Squaring a binomial difference Student activity Play

Squaring a binomial difference Whiteboard exercise Play

State in words Animation Play

Subtracting common fractions and decimals Student activity Play

Subtracting common fractions and decimals – the result as a decimal Whiteboard exercise Play

Subtracting common fractions and decimals – the result as a fraction Whiteboard exercise Play

Subtracting decimals using the written method Student activity Play

Subtracting negative numbers Whiteboard exercise Play

Subtracting negative numbers Student activity Play

Sum and difference identities for the cosine Student activity Play

Sum and difference identities for the cosine Whiteboard exercise Play