Using the trapezium rule Whiteboard exercise Play

Using tree diagrams Student activity Play

Using tricks Whiteboard exercise Play

Using tricks Whiteboard exercise Play

Using tricks Whiteboard exercise Play

Using tricks Student activity Play

Using tricks Whiteboard exercise Play

Using trigonometric identities Whiteboard exercise Play

Using trigonometric identities Whiteboard exercise Play

Using universal indicator paper strips Animation Play

Using well known formulas Animation Play

Using ΔH°f and ΔH°c to determine standard enthalpies of reaction Student activity Play

Volumes of similar figures Student activity Play

What can we do with a ruler and a compass? Student activity Play

What is a formula? Student activity Play

Worked examples Student activity Play

Write the decimal numbers using powers of 10 Student activity Play

Write the decimal numbers using powers of 10 Whiteboard exercise Play

Write the decimal numbers using powers of 10 Whiteboard exercise Play

Write the sum using powers of 10 Student activity Play

Writing chemical equations using symbols and formulae Whiteboard exercise Play

Writing chemical equations using symbols and formulae Student activity Play

Writing the sum using powers of 10 Animation Play

 Writing numbers using powers Simulation Play

 Writing numbers using powers Student activity Play