Integer cruncher: subtraction

Learning Material  |  Interactive Lesson




Description
Use counters to model the subtraction of integers, for example (-3)-(-5)=(+2). See the calculations represented in an alternate form on a number line. This learning object is one in a series of four objects.
Objective
1. Students use a counter model to perform subtraction of integers.
2. Students use conventional representation of integers and mathematical notation.

Curriculum Information

K to 12
Grade 7
Mathematics
Numbers and Number Sense Patterns and Algebra
Educators, Learners, Students

Copyright Information

Yes
Education Services Australia
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Technical Information

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