IM 3rd Grade Unit 3 Mathematics Vocabulary

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Add

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To combine two or more numbers to get a total or sum.

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Addend

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A number that is added to another in an addition operation.

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Algorithm

Back

A step-by-step procedure for calculations.

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Additive Identity Property of 0

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The property that states any number plus zero is the original number.

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Arithmetic Patterns

Back

Patterns that use arithmetic operations to describe a sequence of numbers.

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Associative Property of Addition

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The property that states the way in which numbers are grouped does not change their sum.

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Commutative Property of Addition

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The property that states the order in which two numbers are added does not change their sum.

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Compare

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To determine if one number is greater than, less than, or equal to another number.

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Compatible Numbers

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Numbers that are easy to compute mentally.

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Difference

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The result of subtracting one number from another.