Prisms Student activity Play

Problem assumptions Class activity Play

Problem assumptions Whiteboard presentation Play

Problem solving Whiteboard presentation Play

Problem solving Class activity Play

Pythagorean theorem and trigonometry in 3-D Whiteboard presentation Play

Pythagorean theorem and trigonometry in 3-D Class activity Play

Regular polyhedron Animation Play

Relationship between volumes of similar solids Student activity Play

Relationship between volumes of similar solids Whiteboard exercise Play

Reproductive organs of gymnosperms Slideshow Play

Retina Illustration Play

Retina structure Animation Play

Riddles about 3-D shapes Whiteboard exercise Play

Riddles about 3-D shapes Student activity Play

Rods and cones Illustration Play

Rods; cones; iodopsin and rhodopsin Slideshow Play

Seed plants Whiteboard exercise Play

Seed plants Student activity Play

Seeing colours Slideshow Play

Seeing colours Animation Play

Significance of cell specialization Student activity Play

Significance of cell specialization Whiteboard exercise Play

Similar cones Whiteboard exercise Play

Similar prisms and pyramids Student activity Play