David_Let's Do Algebra Tiles

# David_Let's Do Algebra Tiles - Lets Do Algebra Tiles David...

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Let’s Do Algebra Tiles David McReynolds AIMS PreK-16 Project Noel Villarreal South Texas Rural Systemic Initiative

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Algebra Tiles Manipulatives used to enhance student understanding of subject traditionally taught at symbolic level. Provide access to symbol manipulation for students with weak number sense. Provide geometric interpretation of symbol manipulation.
Algebra Tiles Support cooperative learning, improve discourse in classroom by giving students objects to think with and talk about. When I listen, I hear. When I see, I remember. But when I do, I understand.

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Algebra Tiles Algebra tiles can be used to model operations involving integers. Let the small yellow square represent +1 and the small red square (the flip- side) represent -1. The yellow and red squares are additive inverses of each other.
Zero Pairs Called zero pairs because they are additive inverses of each other. When put together, they cancel each other out to model zero.

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Addition of Integers Addition can be viewed as “combining”. Combining involves the forming and removing of all zero pairs . For each of the given examples, use algebra tiles to model the addition. Draw pictorial diagrams which show the modeling.
Addition of Integers (+3) + (+1) = (-2) + (-1) =

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Addition of Integers (+3) + (-1) = (+4) + (-4) = After students have seen many examples of addition, have them formulate rules.
Subtraction of Integers Subtraction can be interpreted as “take-away.” Subtraction can also be thought of as “adding the opposite.” For each of the given examples, use algebra tiles to model the subtraction. Draw pictorial diagrams which show the modeling process.

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Subtraction of Integers (+5) – (+2) = (-4) – (-3) =
Subtracting Integers (+3) – (-5) (-4) – (+1)

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Subtracting Integers (+3) – (-3) After students have seen many examples, have them formulate rules for integer subtraction.
Multiplication of Integers Integer multiplication builds on whole number multiplication. Use concept that the multiplier serves as

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David_Let's Do Algebra Tiles - Lets Do Algebra Tiles David...

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