Whole Number Addition and Subtraction Strategies

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Flashcards covering concepts related to whole number addition and subtraction, focusing on mental strategies such as partitioning.

Last updated 7:41 AM on 3/1/26
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6 Terms

1
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Mental Addition and Subtraction

The process of adding or subtracting numbers in your head without the use of paper and pencil.

2
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Partitioning

A strategy that involves grouping digits in the same positions, such as hundreds, tens, and units, for easier addition or subtraction.

3
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Example of Partitioning

For the equation 247 plus 121, partitioning involves adding hundreds, tens, and units separately.

4
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Whole Numbers

The set of numbers that includes all positive integers and zero, used in addition and subtraction operations.

5
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Addition Algorithm

A method for performing addition that may include carrying over values from one column to another.

6
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Subtraction Algorithm

A method for performing subtraction that often involves borrowing from the next column when necessary.