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Math Concepts for Understanding Numbers

Explore the world of natural numbers, whole numbers, associative property of addition, decimal numbers, addends, sum, and difference with practical examples. Learn how to regroup to understand quantity exchange in math.

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Math Concepts for Understanding Numbers

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  1. – A set of natural numbers using zero; any number that is not a decimal or fraction Whole number 72

  2. Associative Property of Addition • The property that states that the way addends are grouped does not change the sum • Example:(5 + 9) + 3 = 5 + (9 + 3) 14 + 3 = 5 + 12 17 = 17

  3. Decimal Number A number with one or more digits to the right of the decimal point. 5.87

  4. Addends The numbers that are being added or combined together 2 + 2 = 4 Addends

  5. Sum • The total or whole amount. • The result of adding. • Example: addend addend • 6 + 4 = 10 sum

  6. Difference • The amount by which one quantity is greater or less than another. There are 3 women and 2 men. What is the difference between the number of women and men?

  7. Regroup To exchange amounts of equal value to rename a number…

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