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Solve Equations with Two or More Variables

In this worksheet, students will be asked to solve equations with two or more variables.

'Solve Equations with Two or More Variables' worksheet

Key stage:  KS 2

Curriculum topic:   Algebra

Curriculum subtopic:   Use Variables

Difficulty level:  

Worksheet Overview

Remember, a letter simply represents a number in algebra.

Sometimes this may be set but sometimes it is up to you to work out what the number is worth.

Where a number can change is called a variable.

In this activity, all of the answers must be whole numbers or zero.

 

Example:

 

x + 3y = 8 

 

What do we know?

What is set and what can't be changed?

What are we in control of? Why are these variables?

 

Through trial and error, we can find options:

The 3 different combinations can be shown in a bar model

 

8
X Y
2 2
5 1
8 0

 

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