Roots of equations Student activity Play

Roots of numbers Animation Play

Roots of roots Animation Play

Roots of roots – finding true equations Whiteboard exercise Play

Roots of roots – more examples of true or false equations Whiteboard exercise Play

Roots of the product of polynomials Whiteboard exercise Play

Roots of the product of polynomials Student activity Play

Roots of the product of polynomials – build up the result Whiteboard exercise Play

Roots of the quadratic equation – example Animation Play

Roots of the quadratic equation – example Animation Play

Rotation symmetry Animation Play

Rotations Whiteboard exercise Play

Rotations Student activity Play

'Rounded' Pythagorean theorem Animation Play

Rounding the values of roots using a calculator Student activity Play

Rounding the values of roots using a calculator Whiteboard exercise Play

Ruler-and-compass constructions, locus (2) Class activity Play

Ruler-and-compass constructions, locus (2) Whiteboard presentation Play

Rules of multiplication and irrational numbers Animation Play

Scale factor Student activity Play

Sections of a cube Student activity Play

Sections of a cube Whiteboard exercise Play

Sections through a stem; root and leaf Whiteboard exercise Play

Shapes that have rotation symmetry Student activity Play

Sierpinski's Carpet Whiteboard exercise Play