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L04_blanks - Day 04 Integers Fractions and in your face...

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1 Day 04 Integers, Fractions, and in your face action 2 Today’s Travel Plans What did we talk about yesterday? Additive Operations and Properties A little Algebra? Integer Multiplication Order and the Integers Let’s Break Stuff The many Faces of Fractions

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2 3 What did we talk about yesterday? We saw a visual representation of the Whole numbers via ___________. We acknowledged that one red mom weighs the __________ as one green mom …and a bit later we realized that any container of mom's is equivalent (by weight) to a container with only _______ color. Thus our love of Green mom's and hatred of Red mom's suggest we can describe bags with more red to have _________ net weight and bags with more green to have _________ net weight. 4 Let We’re taking the convention [a non-standard notation] that a container of exactly one green mom has net weight ______ and a container of exactly one red mom has net weight ______
3 5 Integer Addition Four cases: 2 + 3 -2 + -3 Note that these cases match the _________ numbers. 3 + -2 1 + -3 Note: 3 – 2 = _____ so that _______________________. 6 A VM of the Integers – Subtraction Define Subtraction as Taking Away (as in the Whole numbers), three examples: 5 – 2 1 - 3 1 - -3

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4 7 Additive Properties of the Integers What’s the difference between the following two diagrams? Based on that, its relatively strait forward to see that Integer Addition is… ______________ ______________ and there is an ______________ namely ____. The integers inherit all these properties from the _______
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L04_blanks - Day 04 Integers Fractions and in your face...

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