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Chapter 1-2 Math Definitions
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Standard Form
Number written using digits
5210
Expanded Form
A number written in the sum of it's digits
5000+200+20+7=5,227
Word Form
A number written in words
One Hundred Thirty Five
Product
The answer in a multiplication problem
Exponent
Tells how many times a number is call the base
(The power) 10
3
3 is the exponent and 10 is the base
Base
A number raised to a power
10
3
10 is the base and 3 is the exponent
Term
Each number in sequence
Sequence
An order set of numbers
635635635
Order of Operations
A system of performing operations so that every one gets the same answer
PEMDAS
PEMDAS
Perentheses
Exponents
Multiplication
Division
Addition
Subtraction
Exponential Form
Written with a base and exponent
10
4
Numerical Expression
A mathmatical phrase using operational symbols and numbers
7+8+9=24
Commutative Property
Changing the order of the addends or factors does not change the sum or product.
1+7=7+1
8*3=3*8
Associative Property
Changing the grouping of numbers does not change a sum or product.
(9+3)+7=9+(3+7)
Identity Property of Addition
The sum of 0 and any number is a that number. Zero is called the identity for addition.
9+0=9
0+a=a
Identity Property of Multiplication
The product of 1 and any number equals that number. One is the identity for multiplication.
3 x 1=3
a x 1 = a
Zero Property of multiplication
The product of any non zero number and zero equals 0
3 x 0 = 0
a x 0 = 0
Distributive Property of multiplication over addition
Numbers added within a set of parentheses can be miltiplied by a number outside the parentheses.
7 x (3+4) = (7 x 3) + (7 x 4)
Inverse Property of Addition
The sum of a number and its additive inverse, or opposite is 0
2 + (-2) = 0
Inverse Property of Multiplication
The product of a nonzero number and its multiplicative inverse or reciprocal is 1
4 x 1/4 = 1
8 X 1 = 8
Identity Property
1/8 X 8 = 1
Inverse Property of Multiplication
0 X 4 = 0
Zero Property of Multiplication
5 + 6 = 6 + 5
Commutative Property
6 X 25 = (6 X 20) + (6 X 5)
Distributive Property
(15 x m) x 4 = (m x 15) x 4
Associative Property
Author
mgeniti
ID
109203
Card Set
Chapter 1-2 Math Definitions
Description
Math Definitions for chapter 1 and 2
Updated
2011-10-16T01:37:29Z
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