Regular polygons – the octagon Student activity Play

Rounding decimals Student activity Play

Rounding methods Whiteboard exercise Play

Sampling Student activity Play

Sampling as a method of estimation Animation Play

Sampling methods Student activity Play

Sampling methods Whiteboard exercise Play

Sequence of proteins and point mutations Animation Play

Simple random sampling Student activity Play

Simple trick in integration by substitution Animation Play

SN1 and SN2 mechanisms Animation Play

Solving an equation by applying an appropriate substitution Animation Play

Solving an equation by introducing a new variable Whiteboard exercise Play

Solving an equation with a modulus – algebraic method Animation Play

Solving an equation with a modulus – graphic method Animation Play

Solving by substitution Student activity Play

Solving by substitution Whiteboard exercise Play

Solving equations by trial and error (2) Class activity Play

Solving equations by trial and error (2) Whiteboard presentation Play

Solving simple trigonometric equations Class activity Play

Solving simple trigonometric equations Whiteboard presentation Play

Solving simultaneous linear equations (2) Whiteboard presentation Play

Solving simultaneous linear equations (2) Class activity Play

Solving systems of linear equations Student activity Play

Solving systems of linear equations by substitution Whiteboard exercise Play