  # Find the Correct Formula

In this worksheet, students will select the correct formula that matches the given rule. Key stage:  KS 3

Curriculum topic:   Algebra

Curriculum subtopic:   Use Standard Mathematical Formulae

Popular topics:   Algebra worksheets, Year 7 Algebra worksheets

Difficulty level:   #### Worksheet Overview

A formula tells you how to work out something given another piece of information.

The formula F = 1.8C + 32 is used to convert a temperature in Centigrade to one in Fahrenheit.

When C = 10, we substitute this value into the formula to get:

F = 1.8 x 10 + 32

F = 18 + 32

F = 50

This means that 10º C is the same as 50º F The plural of formula can be written as either formulas or formulae.

You will come to know many different formulae in both maths and science work.

Here's another example of a formula:

If we know that we have to double m and add 3 to get n, we can translate this into algebra as follows:

Double m and add 3 can we written as 2m + 3

This is what n equals.

We can write this as a formula:

n = 2m + 3

Let's have a go at some questions now.

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