Evens and Odds – Addition and Subtraction
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Objective
Students will explore the rules of how adding and subtracting evens and odds leads to either evens or odds. They'll try to explain the why and also answer the question: which has more power, evens or odds?
Steps
- Students explain why adding two evens always leads to an even.
- Students find the rules for even+odd, odd+even, and odd+odd and attempt to explain why these are rules.
- They do the same for subtraction: what happens when we subtract even-even, even-odd, odd-even, and odd-odd? Why?
- Finally, your students will consider, after all this, which has more power: evens or odds?
Resources
- The Worksheet (PDF) Print multiple copies as students move through the lesson.
- The Worksheet (Google Slides)
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