## A visual aid to support pupils learning algebraic substitution.

This page is designed for a teacher to project in front of a whole class or for a tutor to share during a video link tutorial. The examples are chosen to help pupils do the online Substitution exercise. The values to be substituted are randomly generated.

## Description of Levels

Level 1 - Simple addition and subtraction - positive integers

Level 2 - Addition, subtraction and multiplication - positive integers

Level 3 - Indices - positive integers

Level 4 - Brackets - positive integers

Level 5 - Mixed expressions - positive integers

Level 6 - Mixed expressions - negative integers

Level 7 - Mixed expressions - positive and negative decimals

This page was used to make the Substitution help video.