A function – reminder Student activity Play

A linear function Animation Play

A linear function – example 1 Student activity Play

A linear function – example 3 Student activity Play

A parcel of land Whiteboard exercise Play

A space colony – factorisation makes calculations easier Student activity Play

A space colony – factorisation makes calculations easier Whiteboard exercise Play

A spreadsheet Animation Play

Accuracy of calculations with the mid-ordinate rule Whiteboard exercise Play

Accuracy of calculations with the mid-ordinate rule Student activity Play

Add or subtract a changing number Student activity Play

All prices down by 20%! Animation Play

All prices down! Student activity Play

All prices down! Whiteboard exercise Play

Amount on the savings account Animation Play

Application of Gay-Lussac's law in calculations Whiteboard exercise Play

Applications of electrolysis and calculations connected with electrolysis Whiteboard presentation Play

Applications of electrolysis and calculations connected with electrolysis Class activity Play

Applications to approximate calculations Student activity Play

Applications to approximate calculations Whiteboard exercise Play

Approximate calculations Animation Play

Approximate calculations of roots Student activity Play

Approximate calculations of roots Whiteboard exercise Play

Approximate calculations of roots Whiteboard exercise Play

Approximated calculations – an application of the binomial theorem Whiteboard exercise Play