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24 Cards in this Set
 Front
 Back
The combining of two or more numbers

add


any number being added

addend


an arrangement of objects in equal rows

arrays


The property that says that changing the order of the addends or factors doesn't change the answer

Commutative Property


A number that has more than two factors

composite number


The numbers used in counting

Counting Numbers


The answer to a subtraction problem

difference


Any of two symbols 0,1,2,3,4,5,6,7,8,9 used to show a number

digit


having the same amount or value

equal


a number sentence that shows that the left side has the same value as the right side

equation


A number that is divisible by two. They have 0,2,4,6,or 8 in the ones place

even number


numbers that are multiplied together to get a product

factor


one number being farther to the right on a number line than another number

greater than


one number being farther to the left on a number line than another number

less than


the product of a whole number and any other number (also called skip counting)

multiple


The operation of repeated addition

multiply


an equation

number sentence


A whole number that is not divisible by 2. They have 1,3,5,7,9 in the ones place.

odd number


The answer to a multiplication problem

product


the number of dots in a square array; the first two are 4 and 9

square number


an operation that gives the difference between two numbers or tells how many is left

subtraction


the answer to an addition problem

sum


a number whose factors are only one and itself

prime number


any of the numbers 0,1,2,3 and so on

Whole number
