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Math Unit 2

Understanding Multiplication

Groups that have the same number of objects - see words like rows, packages, bags, boxes, shelves
Factor a number that is multiplied by another number to find a product
Identity Property of Multiplication The product of any number and 1 is that number. a x 1 = a
multiply The operation of repeated addition of the same number.
multiple The product of a whole number and any other whole number.
Zero Property of Multiplication The product of any number and zero is zero.
product the answer to a multiplication problem
array An arrangement of objects in equal rows.
inverse operations operations that undo each other, such as addition and subtraction or multiplication and division
fact family A group of related facts that use the same numbers
missing factor the number that makes a multiplication equation true when given one factor and the product
arrange To put in a certain order, to display
equation A mathematical sentence that contains an equals sign which shows the two mathematical expressions are equal (balanced)
display to show, to arrange
factor pair Two whole numbers that are multiplied to get a product
column the vertical, equal groups in an array
row the horizontal, equal groups in an array
situation story, event, or scenario that can be solved with math
times as many Multiply as many times. (3 times as many is same as 3 x )
Created by: PRO Teacher MrP7