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properties of multiplication
properties of multiplication
19
Mathematics
3rd Grade
10/23/2011

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Term
Identity property of multiplication
Definition
States that the product of any number and one is that number
Term
Distributive property of multiplication
Definition
States that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products
Term
Associative property of multiplication
Definition
States that when the grouping of factors is changed the product remains the same
Term
Zero property of multiplication
Definition
States that the product of zero and any other number is always zero
Term
Commutative property of multiplication
Definition
States that you multiply two factors in any order and get the same product (also known as the order property)
Term
Variable
Definition
a symbol or a letter that stands for an unknown number
Term
tree diagram
Definition
this an organized list that shows all possible outcomes of an even
Term
combination
Definition
The result of joining two or more things. (The number of choices of first item x number of choices of next term = the number of possible combinations)
Term
array
Definition
This is a group of objects in rows and columns
Term
multiple
Definition
Multiplying is combining equal groups to find out how many there are in all, and the multiples of a number are any of the factors that can be multiplied together to get that number as a product
Term
Identity property of multiplication
Definition
1x5=5 7x1=7
10x1=10 6x1=6
Term
Distributive property of multiplication
Definition
6x7=6x(5+2)
6x7=(6x5)+(6x2)
6x7=30+12
6x7=42
Term
Associative property of multiplication
Definition
4x3x2= 4x3x2=
4x(3x2)= (4x2)x3=
4x6=24 8x3=24
Term
Zero property of multiplication
Definition
0x9=0 3x0=0 5x0=0
7x0=0 12x0=0 2x0=0
Term
Commutative property of multiplication
Definition
12x3=36 and 3x12=36
so, 12x3=3x12
Term
variable
Definition
a x 8=24
a=3 because 3x8=24
Term
combination
Definition
2 types of shirts x 2 colors of pants = 4
possible combinations because 2x2=4
Term
array
Definition
O O O O
O O O O
2 rows of 4 means 2x4=8
Term
multiple
Definition
1,2,3,4, and 6, are all multiples of the number 12, because 1x12=12 2x6=12 3x4=12
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