Download - Numeration Vocabulary
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Numeration Numeration VocabularyVocabularyNumeration Numeration VocabularyVocabulary
Ms. HornbuckleMs. Hornbuckle
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Base Systems•Our System is the decimal or base 10 system for numbers. •Time is measured in Base 60 (60 minutes in one hour) and is from the ancient Babaloynians.•There are many types of base systems•Mayan:
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Common Denominator• A number into which the
denominators divide equally• The common denominator of 1/3
and 1/4 is 12 because 3 and 4 divide equally into 12
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Commutative Property of Multiplication
• The property states that it doesn’t matter which order you multiply the numbers, the answer is still the same
• 4*9=9*4
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Convert• Means to change the form, but not
the value • ½ = .5 = 50%• 1 inch = 2.54cm• Hello = Hola
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Decimal• A part of a number (based on the
base 10 system)• Ex. 3.4
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Distributive Property• Multiply each term in a set of
parentheses by the term outside• 3(x+4) = 3x +12
• Animation Link
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Exponential Form• Writing a number with a whole
number and an exponent• Exponential Form: 43
• Not Exponential Form: 4*4*4
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Exponents• A smaller number placed to the
upper-right of a number that shows the number of times the base number is multiplied times itself.
• 34 = 3*3*3*3
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Factor• A whole number that divides
EXACTLY into a number• Example: 1, 2, 3, 4, 6, and 12 are
factors of 12.
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Greatest Common Factor
• The largest numbers that will divide into two are more numbers evenly
• Example: The GCF of 9 and 12 is 3
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Identity of One• Also known as the identity
property of multiplication• When a number is multiplied by
one the result is the number itself• 12 * 1 = 12
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Identity of Zero• Also known as the identity
property of addition.• When zero is added to any number
the result is the number itself.• 12 + 0=12
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Identity Property of Multiplication
• See Identity Property of One• 12 * 1 = 12
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Improper Fraction• A fraction that is larger than one• The numerator is larger than the
denominator• 12/4
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Inequality• Not equal in Size, Amount or Value• Represented by >, <, <, >• 5<7 and 7>3
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Integer• Any positive or negative number
including zero.• Examples -45, 23, 0, 15, -23
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Inverse Operations• Two operations that have the
opposite effect.• Addition and Subtraction• Multiplication and Division
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Least Common Multiple• The smallest number that is the
multiple of 2 or more numbers.• The LCM of 3, 4, and 6 is 12• 3, 6, 9, 12, 15• 4, 8, 12, 16• 6, 12, 18
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Mixed Number• Number written as a whole
number with a fraction. It is larger than one.
• 3 ½• 4 ¼
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Model• To show something visually.
Model in math usually includes drawing/pictures.
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Multiples• To find a multiple of a number at
the number to itself. This can be repeated to find many multiples
• 3, 6, 9, 12, 15• 2, 4, 6, 8, 10• 11, 22, 33, 44, 55
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Order• To place from least to greatest or
greatest to least.
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Percent• A number out of 100• 60% is 60 out of 100• 27% is 27 out of 100
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Place Value• The value of a digit based on
where it is placed in a number
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Powers of Ten• This means 10 raised to any
positive (usually) integer.• 103 104 10105
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Prime Factorization• Write a number as the product of
it’s prime factors• 2*2*2*7 or 23*7
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Proportion• A proportion has a constant
(equal) ratio.• Usually seen as two ratios with an
equal sign in the middle• ½ = 2/4
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Ratio• Comparative value of two or more
amounts as compared to the total.
• Example-> The ratio of boys to girls in a group of 10 is
Boys:Girls»6:4
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Rational Numbers• Is a repeating decimal,
terminating decimal or an integer.• Examples
– 3.4– 3.75– 5– 4.223223223
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Real Number System• The real number system includes
fractions, whole numbers, and rational numbers. All real numbers can be placed on a number line.
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Scientific Notation• A way of writing very large or very
small numbers using a number between 1 and 10 and multiplied by a power of 10
• Example 1.56 * 102 = 156