Properties of Multiplication:
Identity Property of One: The product of one (1) and any number is that number itself
14 x 1 = 14 1 x 45.6 = 45.6 Y x 1 = Y
Zero Property: The product of zero (0) and any number is zero (0)
14 x 0 = 0 45.6 x 0 = 0 0 x 629 = 0
Commutative Property: Factors can be multiplied in any order and the product is always the same
2 x 3 = 3 x 2 a x b = b x a 3 x 4 x 5 = 5 x 4 x 3 = 4 x 3 x 5...
Associative Property: When multiplying three or more real numbers, the product is always the same regardless of their grouping (it does not matter where the parentheses are if all numbers are being multiplied together)
(a x b) x c = a x (b x c) (3 x 4) x 5 = 3 x (4 x 5)
Identity Property of One: The product of one (1) and any number is that number itself
14 x 1 = 14 1 x 45.6 = 45.6 Y x 1 = Y
Zero Property: The product of zero (0) and any number is zero (0)
14 x 0 = 0 45.6 x 0 = 0 0 x 629 = 0
Commutative Property: Factors can be multiplied in any order and the product is always the same
2 x 3 = 3 x 2 a x b = b x a 3 x 4 x 5 = 5 x 4 x 3 = 4 x 3 x 5...
Associative Property: When multiplying three or more real numbers, the product is always the same regardless of their grouping (it does not matter where the parentheses are if all numbers are being multiplied together)
(a x b) x c = a x (b x c) (3 x 4) x 5 = 3 x (4 x 5)
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Multiplication Methods:
In class, we learned different methods for multiplying 1, 2, and 3 - digit numbers. Below are examples of each method from the textbook. Students should use them as reminders of how to solve multi-digit multiplication problems.
In class, we learned different methods for multiplying 1, 2, and 3 - digit numbers. Below are examples of each method from the textbook. Students should use them as reminders of how to solve multi-digit multiplication problems.
I. 1-digit times 2-digit numbers:
II. 1-digit times 3-digit numbers:
III. Partial Products - 2-digit times 2-digit numbers:
