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# Addition and Subtraction of Integers

Strand: Number
Outcome: 6

## Curriculum Focus

This sample targets the following changes in the curriculum:

• The General Outcome focuses on developing number sense, whereas the previous mathematics curriculum focused on applying arithmetic operations on decimals and integers, and illustrating their use in solving problems.
• The Specific Outcome focuses on understanding addition and subtraction of integers concretely, pictorially and symbolically, whereas the previous mathematics curriculum included multiplication and division of integers as well in Grade 7.

Addition and Subtraction of Integers addresses the following outcomes from the Program of Studies:

Strand: Shape and Space (Measurement)
Specific Outcomes:
 6 Demonstrate an understanding of addition and subtraction of integers, concretely, pictorially and symbolically.

## 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.