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Math K-Plus

Arithmetic - Definitions Of Addition, Add, Addend, And Sum

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Definitions of addition: Add, Addition, Addend, And Sum.


A simple example will be used to explain these definitions. Let's answer the question with an example. Sally gives her teacher, Ms. James, one apple. Johnny gives Ms. James two apples. How many apples does Ms. James have now?
Sally gives Ms. James one apple:                 
Addition object
Johnny gives Ms. James two apples:              Addition object Addition object
How many apples does Ms. James have now?    Addition object Addition object Addition object


How do we show this in integer addition math?

  • Visually:     Addition object + Addition object Addition object = Addition object Addition object Addition object
  • Numerically: 1 + 2 = 3

Addition Definitions
Word Definition
Add To join two or more numbers together. In the example above, number 1 is added to number 2.
Addend One number that is added to another. In the example above, number 1 and 2 are both Addend.
Sum The result when two or more numbers are added. In the example above, the sum of 1 and 2 is 3.
Addition The plus sign (+) indicates addition.