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5th Grade EDM Unit 1

Number Theory

Commutative Property of Multiplication a property of multiplication that two numbers can be multiplied in either order without changing the product
composite number a counting number greater than 1 that has more than two factors
divisibility rule a test to determine whether a counting number is divisible by another counting number without actually doing the division
even number a counting number that is divisible by 2
odd number a counting number that is not evenly divisible by 2
exponent a small raised number used to tell how many times the base is used as a factor
exponential notation a way of representing repeated multiplication by the same factor
factors each of the two or more numbers in a product
factor pair two factors of a counting number "n" whose product is "n"
factor rainbow a way to show factor pairs in an organized list of all of the factors of a number
factor string a counting number written as a product of two or more of its counting-number factors other than 1
product the result of multiplying factors; the answer in a multiplication problem
Name Collection box a diagram that is used for collecting equivalent names for a number
number model a number sentence, expression, or other representation that models a number story or situation
prime factorization a counting number written as a product of prime-number factors
prime number a counting number greater than 1 that has exactly two whole-number factors: 1 and itself
quotient the result of dividing one number by another number; the answer in a division problem
rectangular array an arrangement of objects in rows and columns that form a rectangle
remainder an amount left over when one number is divided by another number (r or R)
square array a rectangular array with the same number of rows and columns
square number numbers that are the product of a counting number multiplied by itself
square root a number that multiplied by itself is "n"; the factor which multiplied by itself gives a square number product
unsquaring to find the square root
Created by: SarahMueller