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Using well known formulas Animation Play

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

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What is a formula? Student activity Play

What is the missing number? Student activity Play

What points are covered by this cloud? Student activity Play

Which ball went higher? Animation Play

Worked examples Student activity Play

Working with recurring decimals Class activity Play

Working with recurring decimals Whiteboard presentation 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

Written multiplication and multiplying decimals Whiteboard exercise Play

 Writing numbers using powers Simulation Play

 Writing numbers using powers Student activity Play

 Writing the numbers as decimals Whiteboard exercise Play