# Number Properties

by
**cks44**

Last updated 8 years ago

** Discipline: **

Math ** Subject: **

Number Operations
** Grade:**

2,3

Changing the order of addends or factors does not affect the sum or product.a+b=cb+a=caxb=cbxa=c

Number Properties

The order that numbers are grouped in does not affect the sum or product.(a+b)+c=da+(b+c)=d(axb)xc=dax(bxc)=d

Adding 2 or more numbers together then multiplying the sum by a factor is equal to multiplying each number alone by the factor first then adding the products.a(b+c)=(axb)+(axc)

Key Words:

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Addend: a number that is added to another numberFactors: numbers you can multiply together to get another numberSum: the result of adding two or more numbersProduct: the result of multiplying two or more numbers

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The additive identity is 0. if you add 0 to any number, the sum will be that number. a+0=aThe multiplicative identity is 1. If you multiply a number by 1, the product will be that number.ax1=a

Idenity

Associative

UNIT 4

Commutative

Distributive

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