Enlargements with fractional scales Student activity Play

Estimation of the volume Animation Play

Example of approximation area by rectangles Animation Play

Fence off a plot Animation Play

Figures in a coordinate system Student activity Play

Finding the area of a rectangle Whiteboard exercise Play

Finding the area of a rectangle Whiteboard exercise Play

Finding the width of the rectangle Animation Play

Formats of sheets of paper Animation Play

Formulas Student activity Play

Graphical method Animation Play

Harry's lawn Whiteboard exercise Play

How do we construct a rectangle? Animation Play

How do we draw a rectangle in LOGO? Animation Play

How much do you charge for painting the room? Student activity Play

How much for the painting? Animation Play

How to multiply a sum by a monomial Student activity Play

How will the area change? Whiteboard exercise Play

How will the area change? Student activity Play

How will the perimeter change? Student activity Play

How will the perimeter change? Whiteboard exercise Play

Imperial units of area Student activity Play

Interesting fact Animation Play

Is a practical demonstration reliable? Student activity Play

John's lawn Whiteboard exercise Play