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Place Value in Very Large and Very Small Numbers

Place value explains how a digit gains meaning from its position in a number. The same digit can represent a very large amount or a tiny fraction of one. Open Full Article...

Negative Numbers in Real-Life Contexts (Parent Q&A)

This guide explains how the lesson uses negative numbers to represent values, positions and changes in relation to a chosen zero point. Open Full Article...

Negative Numbers in Real-Life Contexts (Teach This Topic)

This guide helps you introduce negative numbers through temperatures, money, levels and elevation before connecting these ideas to formal arithmetic. Open Full Article...

Negative Numbers in Real-Life Contexts

A temperature of -3°C is warmer than -8°C because -3 is higher on the number line. Open Full Article...

Reverse Percentages Explained: Finding the Original Value (Parent Q&A)

This guide explains how to find an original amount when a final amount and a percentage change are known. Open Full Article...

Reverse Percentages Explained: Finding the Original Value (Teach This Topic)

This guide supports teaching reverse percentages: finding an original value when the final value and percentage change are known. Open Full Article...

Reverse Percentages Explained: Finding the Original Value

If a jumper costs £80 after a 20% discount, why is the original price not £100 simply because we add 20% back? Open Full Article...

Percentage Increase and Decrease: Understanding How Values Change (Parent Q&A)

This guide explains the lesson’s key ideas about percentage increase and decrease. Open Full Article...

Percentage Increase and Decrease: Understanding How Values Change (Teach This Topic)

This guide supports teaching percentage increase and decrease at home, from the meaning of a reference value to multipliers, successive change and… Open Full Article...

Percentage Increase and Decrease: Understanding How Values Change

Why does a 10% rise in a £50 price not add £10? The answer depends on the value used as the reference whole. Open Full Article...