Pythagorean theorem Class activity Play

Pythagorean triples Student activity Play

Quadrantal angles Student activity Play

Quadrantal angles Whiteboard exercise Play

Quadrilaterals Student activity Play

Radar stations Whiteboard exercise Play

Radar stations Student activity Play

Radian Animation Play

Radian measure of angles Animation Play

Radian measure, introduction Student activity Play

Radians Student activity Play

Radians and degrees Whiteboard exercise Play

Radians and degrees Student activity Play

Range for projectile motion at an angle Simulation Play

Range for projectile motion at an angle Student activity Play

Range for projectile motion at an angle Whiteboard exercise Play

Range of trigonometric functions Whiteboard exercise Play

Range of trigonometric functions Student activity Play

Real and apparent positions Simulation Play

Reasoning with angles Student activity Play

Reasoning with angles Student activity Play

Reasoning with angles Whiteboard exercise Play

Reasoning with angles Whiteboard exercise Play

Recognition of congruent triangles Animation Play

Rectilinear motion and circular motion Animation Play