Primitive periods of shifted trigonometric functions Whiteboard exercise Play

Properties of metals and non-metals Whiteboard exercise Play

Properties of trigonometric functions of a general angle (1) Class activity Play

Properties of trigonometric functions of a general angle (1) Whiteboard presentation Play

Puberty in females Student activity Play

Radioactive decay of Krypton-91 Whiteboard exercise Play

Radioactivity Student activity Play

Radioactivity Animation Play

Rate of birth Student activity Play

Rate of birth Whiteboard exercise Play

Rational numbers Whiteboard exercise Play

Rational numbers Student activity Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water (1) Student activity Play

Reactions between Period 3 elements and water (2) Student activity Play

Recurring decimal Animation Play

Recurring decimals Animation Play

Recurring decimals Class activity Play

Recurring decimals Student activity Play

Recurring decimals Whiteboard presentation Play

Recurring decimals; period Student activity Play

Reduction formulas due to periodicity Whiteboard exercise Play

Reduction formulas due to periodicity Student activity Play

Refractory period Slideshow Play