16-square-cm square Whiteboard exercise Play

4-square-inch square Whiteboard exercise Play

Are you good at estimating lengths? Whiteboard exercise Play

Are you good at estimating lengths? Student activity Play

Estimating areas Student activity Play

Estimating length Student activity Play

Estimation Whiteboard exercise Play

Estimation Student activity Play

Estimation of the median and the quartiles of grouped data Whiteboard exercise Play

Estimation of the median and the quartiles of grouped data Student activity Play

Estimation of the roots of a quadratic equation Whiteboard exercise Play

Estimation of the roots of a quadratic equation Student activity Play

Estimation of the roots of a quadratic equation Whiteboard exercise Play

Estimation of the roots of a quadratic equation – example Animation Play

Estimation of the roots of a quadratic equation – example Animation Play

Estimation of the volume Animation Play

Finding the frequencies from a histogram Whiteboard exercise Play

Finding the frequencies from a histogram Student activity Play

Sampling Student activity Play

Sampling as a method of estimation Animation Play

The area of the envelope Whiteboard exercise Play

The area of the garden Whiteboard exercise Play

The blackboard Whiteboard exercise Play

The distances Whiteboard exercise Play

Volume of a cone Student activity Play