Rolling the die Whiteboard exercise Play

Root hair Whiteboard exercise Play

Root hairs Student activity Play

Root hairs Animation Play

Root systems Simulation Play

Roots Student activity Play

Rose garden Animation Play

Roses Illustration Play

Rotating a half-turn – symmetry with respect to a point Student activity Play

Rotating ring Game Play

Rotation Animation Play

Rotation is a transformation Student activity Play

Rotation symmetry Animation Play

Rotation – scouts and their commander Whiteboard exercise Play

Rotations Student activity Play

Rotations Student activity Play

Rotations Simulation Play

Rotations Whiteboard exercise Play

Roulette Student activity Play

Roulette Whiteboard exercise Play

Roulette Whiteboard exercise Play

Rounding a decimal to the given decimal place Whiteboard exercise Play

Rounding a number Animation Play

Rounding decimals Whiteboard exercise Play

Rounding decimals to 0.01 Student activity Play

Rounding decimals to 0.1 Student activity Play

Rounding decimals to 0.1 or to 0.01 Animation Play

Rounding decimals to 10–1 or to 10–2 Student activity Play

Rounding decimals to a whole number Student activity Play

Rounding decimals to a whole number Animation Play