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

In this worksheet, students select the correct formula that matches the given rule.

**Key stage:** KS 3

**Curriculum topic:** Algebra

**Curriculum subtopic:** Use Standard Mathematical Formulae

**Difficulty level:**

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