How much does it cost? Whiteboard exercise Play

How much does it weigh? How much does it cost? Student activity Play

How much does the notebook cost? Whiteboard exercise Play

How much does the stamp cost? Simulation Play

How much does the ticket cost? Whiteboard exercise Play

How to derive distance from the graph v(t) Student activity Play

How to derive distance from the graph v(t) Whiteboard exercise Play

How to lie with means Whiteboard exercise Play

How to lie with means Student activity Play

Identical data, different qualities Student activity Play

Imperial units of area Student activity Play

Inflation Student activity Play

Inflation Whiteboard exercise Play

Lenna's shopping Whiteboard exercise Play

Linear models Student activity Play

Miscellaneous problems Student activity Play

Money calculations Student activity Play

Money calculations – reckoning Student activity Play

Movement with constant acceleration Animation Play

Multiplying a decimal by an integer using the written method Student activity Play

Multiplying decimals using the written method Student activity Play

Multiplying the decimals Animation Play

Number patterns Student activity Play

One-number representation of data Student activity Play

Patterns and formulas Student activity Play