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**Array**• Objects or symbols displayed in rows of the same length. The length of the row may be different than the length of the column. Chapters 4 & 5**Communicative Property of Multiplication**• The order in which two numbers are multiplied does not change the product. 2 X 4 = 8 4 X 2 = 8 2 X 4 = 4 X 2 Chapters 4 & 5**Factor**2 X 4 = 8 • A number that is multiplied by another number. • A number that divides into a whole number evenly. 8 4 =2 Chapters 4 & 5**Identity Property of Multiplication**• If you multiply a number by 1, the product is the same as the given number. 2 X 1 = 2 Chapters 4 & 5**Multiply**2 X 4 = 8 Two groups of four is equal to the product eight. Also known as repeated addition. 2 + 2 + 2 + 2= 8 • Find the product Chapters 4 & 5**Product**• The answer to a multiplication problem. 2 X 4 = 8 Chapters 4 & 5**Zero Property of Multiplication**• Any number multiplied by zero is zero. 2 X 0 = 0 Chapters 4 & 5**Associative Property of Multiplication**• The grouping of the factors does not change the product. (3 X 2) X 6 = 36 3 X (6X 2) = 36 Chapters 4 & 5**Rule**Rule: Multiply by 3 • Tells you what to do to the first number to get the second number. Chapters 4 & 5