Vocabulary

array: an arrangement of objects, pictures, or numbers in columns and rows

equal groups: sets that each have the same number of items

factor: any one of two or more numbers that are multiplied together to give a product

multiply: a mathematical operation in which we add a number to itself a certain number of times

number line: a straight line with numbers on it

product: the answer to a multiplication problem

repeated addition: adding the same number over and over again

skip counting: a strategy in which we count forward or backward by a number other than one

strategy: the plan of action to solve a problem