The perimeter and the area of the rectangle Whiteboard exercise Play

The perpendicular bisector Whiteboard exercise Play

The precision of the mid-ordinate rule Chart Play

The pressure equation Illustration Play

The pressure equation Student activity Play

The Professor's garden Animation Play

The Pythagorean theorem Student activity Play

The rectangle Student activity Play

The rectangle Whiteboard exercise Play

The red line Whiteboard exercise Play

The relationship between drag and the cross-sectional area of a body Simulation Play

The relationship between drag and the cross-sectional area of a body Whiteboard exercise Play

The relationship between drag and the cross-sectional area of a body Student activity Play

The rhombus Student activity Play

The rhombus and the circle Whiteboard exercise Play

The rhombus and the circle Student activity Play

The roots of a quadratic equation Animation Play

The running truck Whiteboard exercise Play

The same force – different effects Animation Play

The scalar product (2) Class activity Play

The shaded triangle Whiteboard exercise Play

The sine formula for the area of a triangle Class activity Play

The sine formula for the area of a triangle Whiteboard presentation Play

The sine rule Whiteboard presentation Play

The sine rule Class activity Play