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:**

---- OR ----

Sign up for a £1 trial so you can track and measure your child's progress on this activity.

We're your National Curriculum aligned online education content provider helping each child succeed in English, maths and science from year 1 to GCSE. With an EdPlace account you’ll be able to track and measure progress, helping each child achieve their best. We build confidence and attainment by personalising each child’s learning at a level that suits them.

Get startedStart your £1 trial today.

Subscribe from £10/month.