Properties of trigonometric functions of a general angle (2) Whiteboard presentation Play

Pulmonary and systemic circulations Whiteboard exercise Play

Pyramid of nutrition Illustration Play

Pyramids Student activity Play

Pyramids of energy and biomass Slideshow Play

Pyramids of numbers Student activity Play

Pythagorean theorem Whiteboard presentation Play

Pythagorean theorem Class activity Play

Pythagorean theorem and trigonometry in 3-D Class activity Play

Pythagorean theorem and trigonometry in 3-D Whiteboard presentation Play

Pythagorean triples Student activity Play

Rectangles in LOGO Student activity Play

Rectangular right prism Animation Play

Reflection of light Student activity Play

Regular polygons Simulation Play

Regular polyhedron Animation Play

Regular shapes Student activity Play

Relationship between volumes of similar solids Whiteboard exercise Play

Relationship between volumes of similar solids Student activity Play

Repulsion between current-carrying conductors Animation Play

Riddles about 3-D shapes Whiteboard exercise Play

Riddles about 3-D shapes Student activity Play

Right hand rule Animation Play

Right prisms Whiteboard exercise Play

Right-angled triangle or not? Animation Play