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One-, Two- and Three-Dimensional Formula: Which is It?

In this worksheet, students decide whether a given formula is one-dimensional, two-dimensional or three-dimensional.

'One-, Two- and Three-Dimensional Formula: Which is It?' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   3D Shapes

Difficulty level:  

Worksheet Overview

By analysing the dimensions to the right of the equals sign, we can easily say whether a formula could be for length, area or volume.

 

A formula for length can only be one-dimensional. 

This means that lengths occur on their own e.g. C = 3d or P = a + 2b

 

A formula for area can only be two-dimensional. 

This means that lengths occur in pairs e.g. A = 3ab or A = a2 + 2ab

 

A formula for volume can only be three-dimensional. 

This means that lengths occur in threes e.g. C = 5d3 or P = abc + 2a2b

 

 

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