An interesting formula to find the area of a polygon Student activity Play

An interesting formula to find the area of a polygon Whiteboard exercise Play

An interesting result Student activity Play

An interesting result Whiteboard exercise Play

Angle bisector Student activity Play

Application of the quadratic equation Whiteboard exercise Play

Applications Student activity Play

Applications of decreased pressure Slideshow Play

Applications of increased pressure Slideshow Play

Applying the formula for the area of a triangle Student activity Play

Applying the formula for the area of a triangle Whiteboard exercise Play

Applying the linear equation Student activity Play

Applying the mid-ordinate rule Whiteboard exercise Play

Applying the trapezium rule Animation Play

Approximating area by rectangles Whiteboard exercise Play

Approximating area by rectangles Student activity Play

Approximating area by rectangles and trapeziums Whiteboard exercise Play

Approximating area by rectangles and trapeziums Student activity Play

Approximating area by trapeziums Student activity Play

Approximating area by trapeziums Whiteboard exercise Play

Approximating areas of flat irregular figures Student activity Play

Approximating the area Student activity Play

Approximating the area Whiteboard exercise Play

Approximating the area under a line in the coordinate system Student activity Play

Approximating the area under the function graph Whiteboard exercise Play