Number

Showing 129–144 of 164 results

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Compound Percentage Decrease
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Converting Between Imperial and Metric Units
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Converting Between Imperial Units
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Converting Between Metric Units
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Conversion Graphs
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Time Conversions
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Using Calculator Efficiently
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Calculations with Surds
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Simplifying Surds
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Writing Numbers in Standard Index Form
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Square and Cube Numbers
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Calculations With Standard Index Form
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Rules of Indices
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Rationalising Denominators
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Prime Factor Decomposition
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Indices with Negative Powers

Mr Mathematics Blog

Trigonometric Identities Sin, Cos and Tan

How to introduce the sin, cos and tan trigonometric identities.

Calculating a Reverse Percentage

How to teach calculating the original amount after a percentage change.

Comparing Datasets using the Mean and Range

The importance of the range when comparing comparing datasets.