Overview
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Addition and subtraction of integers
{… -4, -3, -2, -1, 0 1, 2, 3, 4 …} is normally introduced at the middle
school or junior high school level. School mathematics and science
topics such as elevation (above/below sea level) and bank account balances
may be used to motivate the study of integer operations.
This lesson addresses the questions,
- What is the meaning
of addition of subtraction of integers?
- What is the logical
basis for regrouping?
The Set Model and the Measurement Model are used to represent the ideas.
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