# Chapter 1-2 Math Definitions

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1. Standard Form
• Number written using digits
• 5210
2. Expanded Form
• A number written in the sum of it's digits
• 5000+200+20+7=5,227
3. Word Form
• A number written in words
• One Hundred Thirty Five
4. Product
The answer in a multiplication problem
5. Exponent
• Tells how many times a number is call the base
• (The power) 103
• 3 is the exponent and 10 is the base
6. Base
• A number raised to a power
• 103 10 is the base and 3 is the exponent
7. Term
Each number in sequence
8. Sequence
• An order set of numbers
• 635635635
9. Order of Operations
• A system of performing operations so that every one gets the same answer
• PEMDAS
10. PEMDAS
• Perentheses
• Exponents
• Multiplication
• Division
• Subtraction
11. Exponential Form
• Written with a base and exponent
• 104
12. Numerical Expression
• A mathmatical phrase using operational symbols and numbers
• 7+8+9=24
13. 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
14. Associative Property
• Changing the grouping of numbers does not change a sum or product.
• (9+3)+7=9+(3+7)
• The sum of 0 and any number is a that number. Zero is called the identity for addition.
• 9+0=9
• 0+a=a
16. 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
17. Zero Property of multiplication
• The product of any non zero number and zero equals 0
• 3 x 0 = 0
• a x 0 = 0
18. 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)
• The sum of a number and its additive inverse, or opposite is 0
• 2 + (-2) = 0
20. Inverse Property of Multiplication
• The product of a nonzero number and its multiplicative inverse or reciprocal is 1
• 4 x 1/4 = 1
21. 8 X 1 = 8
Identity Property
22. 1/8 X 8 = 1
Inverse Property of Multiplication
23. 0 X 4 = 0
Zero Property of Multiplication
24. 5 + 6 = 6 + 5
Commutative Property
25. 6 X 25 = (6 X 20) + (6 X 5)
Distributive Property
26. (15 x m) x 4 = (m x 15) x 4
Associative Property

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 Author: mgeniti ID: 109203 Filename: Chapter 1-2 Math Definitions Updated: 2011-10-16 01:37:29 Tags: math Folders: Description: Math Definitions for chapter 1 and 2 Show Answers:

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