Addition of integers with counters (7th grade math / prealgebra)
Автор: Math Mammoth
Загружено: 2025-06-21
Просмотров: 32
Описание:
I show how counters can be used to model addition of integers. Then we talk about adding two integers with opposite signs - how does that work? The rule, or shortcut, is to subtract their absolute values, and then check "which side wins", so to speak, to determine the sign of the final sum.
Math Mammoth Grade 7 curriculum
https://www.mathmammoth.com/complete/...
Integers Hidden Picture Game
https://www.mathmammoth.com/practice/...
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