Solve problems involving scaling and ratio

You can identify and describe the relationship between two squares using scale factors

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Year 6

Solve problems involving scaling and ratio

You can identify and describe the relationship between two squares using scale factors

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Share activities with pupils

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Lesson details

Key learning points

Ratio and scaling problems can be represented in similar ways.
Ratio and scaling problems can be solved in similar ways.
A ratio table can be used to solve ratio and scaling problems.

Keywords

Scaling - Scaling is the operation of changing one value to another using multiplication or division, using the same factor or divisor
Double number line - A double number line is used to show the relationship between two values, in this case, the distances on the plan and those in real life

Common misconception

Not identifying whether they are scaling up a part or the whole amount and how this is represented.

Ask if it is a part or the whole that you are being asked to work out and articulating where this is in the representation or ratio table.

Whenever a representation is used, make sure that pupils are aware of what is being represented, how the values in the context or question relate to the representation and how the values are chosen for the ratio table, if used.

Teacher tip

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).