### Contents

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#### Worksheets

Fractions:

Conversion: fractions-decimals

Equivalent fractions

Simplify and change into a mixed number

Fraction of a quantity

Adding and subtracting fractions

Multiplying fractions and mixed numbers

Dividing fractions and mixed numbers

Mixed questions

#### Geogebra

Circle theorems:

Angle at the centre

the "butterfly"

Co-cyclic quadrilateral

Alternate segement theorem

tangents from an exterior point

Normal distribution

Discrete to continuous

Reading probabilities (alternative to the table)

Probability of Z more than...

Probability of Z less than neg value

Probability of Z between two values

Effect of the mean and SD on the graph

Standardisation

Normal dist with custom parameters