# Preservation of Equality

**Strand:** Patterns and Relations (Variables and Equations)

**Outcome:** 3

## Curriculum Focus

This sample targets the following changes in the curriculum:

- The General Outcome is exactly the same as in the previous mathematics curriculum—represent algebraic expression in multiple ways.
- The Specific Outcome focuses on understanding the preservation of equality and solving equations concretely, pictorially and symbolically, whereas the previous mathematics curriculum included solving equations but not specific reference to the preservation of equality.

**Preservation of Equality** addresses the following outcomes from the *Program of Studies:*

## What is a Planning Guide?

**Planning Guides** are a tool for teachers to use in designing instruction and assessment that focuses on developing and deepening students' understanding of mathematical concepts. This tool is based on the process outlined in *Understanding by Design*, by Grant Wiggins and Jay McTighe.

The following steps will help you through the Planning Guide:

See Bibliography for reference information.