A closer look at the sine Whiteboard exercise Play

A closer look at the sine, the cosine and the tangent Whiteboard exercise Play

A closer look at the trigonometric ratios Student activity Play

A closer look at the trigonometric ratios Simulation Play

An object brought closer to the focal point Animation Play

An object brought closer to the mirror Animation Play

Comparing decimals Student activity Play

Farther, closer Whiteboard exercise Play

Farther, closer Student activity Play

Horses Whiteboard exercise Play

Jumpers Whiteboard exercise Play

Negative numbers on the number line Whiteboard exercise Play

The nearest power of 10 Student activity Play

The nearest power of 10 Animation Play

Which ball went higher? Animation Play