g4c3

=Grade 4 Math, Chapter 3=


 * Vocabulary**

__**array**__: A way of displaying objects in rows and columns.

__**factor**__: Numbers that are multiplied together to give a product. Example: 7 x 3 = 21

__**product**__: The answer to a multiplication problem.

__**multiple**__: The product of the number and and other whole number. Example: 0, 4, 8, 12, and 16 are multiples of 4.

__**Zero Property of Multiplication**__: The product of any number and zero is zero.

__**Identity Property of Multiplication**__: The sum of any number and zero is that same number.

__**Commutative Property of Multiplication**__: Numbers can be multiplied in any order and the product will be the same.

__**Divide**__: An operation to find the number in each group or the number of equal groups.

__**Distributive Property of Multiplication**__: Breaking apart problems into two simpler problems Example: (3 x 21) = (3 x 20) + (3 x 1 )

__**Divisor**__: The number by which another number is divided.

__**Dividend**__: The number to be divided. Example: 63 ÷ 9 = 7

__**Quotient**__: The answer to a division problem.

__**Fact Family**__: A group of related facts using the same numbers.

__**Inverse Operation**__: Two operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations.

Variable: A symbol or letter that stands for a number.


 * Equation**: A number sentence that says two expressions are equal.

__**Solution**__: The value of the variable that makes an equation true.