Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

DIY Maths: Evaluating a formula using substitution


In this module you can study how to substitute given values into a formula.


The one-minute video above shows how to evaluate a formula using substitution.


The five-minute video from mathlablady goes into a more indepth explanation.

Did you know?

The most common error made when substituting values into a formula is made when negative signs are dropped.

You must use Order of Operations rules when evaluating formulas.

Study and practice

Search Google

Use these search terms to find additional resources:

evaluate formula
substitution into formula

Google Web Search