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# cpe5math Numbers

### Numbers

Additive numerical pattern a pattern that occurs when a constant non–zero value is added to an input value to determine the output value (y = x + a)
Associative property of multiplication if three or more factors are multiplied, they can be grouped in any order, and the product will remain the same
Commutative property of multiplication if the order of the factors are changed, the product will remain the same
Compare numbers to consider the value of two numbers to determine which number is greater or less or if the numbers are equal in value
Compatible numbers a method for estimating a group of numbers by slightly adjusting some or all of the numbers to allow for easy mental computation
Composite number a whole number with more than two factors
Counting (natural) numbers the set of positive numbers that begins at one and increases by increments of one each time {1, 2, 3, ..., n}
Decimal number a number in the base-10 place value system used to represent a quantity that may include part of a whole and is recorded with a decimal point separating the whole from the part
Digit any numeral from 0 – 9
Distributive property of multiplication if multiplying a number by a sum of numbers, the product will be the same as multiplying the number by each addend and then adding the products together
Dividend the number that is being divided
Divisor the number the dividend is being divided by
Equation a mathematical statement composed of algebraic and/or numeric expressions set equal to each other
Estimation reasoning to determine an approximate value
Expanded form the representation of a number as a sum of place values (e.g., 985,156,789.782 as 900,000,000 + 80,000,000 + 5,000,000 + 100,000 + 50,000 + 6,000 + 700 + 80 + 9 + 0.7 + 0.08 + 0.002
Expanded notation the representation of a number as a sum of place values where each term is shown as a digit(s) times its place value (e.g., 985,156,789.782 as 9(100,000,000) + 8(10,000,000) + 5(1,000,000) + 1(100,000) + 5(10,000) +6(1,000) + 7(100) + 8(10) + 9 + 7(0.1) +
Expression a mathematical phrase, with no equal sign or comparison symbol, that may contain a number(s), an unknown(s), and/or and operator(s)
Factor a number multiplied by another number to find a product
Fluency efficient application of procedures with accuracy
Front–end method a method for estimating a number in which the first digit of a number is retained and all remaining digits are changed to zero
Numeral a symbol used to name a number
Numeric expression a mathematical phrase, with no equal sign, that contains numbers and an operator(s)
Order of operations the rules of which calculations are performed first when simplifying an expression
Parentheses and brackets symbols to show a group of terms and/or expressions within a mathematical expression
Place value the value of a digit as determined by its location in a number, such as ones, tens, hundreds, one thousands, ten thousands, etc.
Positive rational numbers the set of numbers that can be expressed as a a over b, where a > 0 and b > 0
Prime number a whole number greater than 1 with exactly two factors, 1 and the number itself
Product the total when two or more factors are multiplied
Quotient the size or measure of each group or the number of groups when the dividend is divided by the divisor
Rounding a method for estimating a number by increasing or retaining a specific place value digit according to specific rules and changing all trailing digits to zero
Standard form the representation of a number using digits (e.g., 985,156,789.782)
Strip diagram a linear model used to illustrate number relationships
Whole numbers the set of counting (natural) numbers and zero {0, 1, 2, 3, ..., n}
Word form the representation of a number using written words (e.g., 985,156,789.782 as nine hundred eighty-five million, one hundred fifty-six thousand, seven hundred eighty-nine and seven hundred eighty-two thousandths)
Created by: jdees