Groups that have the same number of objects - equal groups, A number that is multiplied by another number to find a product - factor, To combine equal groups to find how many in all; the opposite operation of division - multiply , answer in a multiplication problem - product, set of objects arranged in rows and columns - array, property that states that you can multiply two factors in any order and get the same product - Commutative Property of Multiplication, property that states that the product of any number and 1 is that number - Identity Property of Multiplication, property that states that the product of zero and any number is zero - Zero Property of Multiplication, Any of the numbers that are added in addition - addend, The answer to a subtraction problem - difference, A number sentence that uses the equal to show that two amounts are equal sign - equation, The process of finding how many are left when a number of items are taken away from a group of items; the process of finding the difference when two groups are compared; the opposite operation of addition - subtraction, answer to an addition problem - sum,

Chapter 2 math

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