Name___________________
Vocab Lesson 27- Investigation 3
Test on ________________!!!
Multiplication
An operation that uses a number as an addend, a specified number of times.
Commutative Property
of Multiplication
Changing the order of factors does not change their product. In symbolic
form a x b = b x a
Any one of the numbers multiplied in a multiplication problem
Factor
Identity Property
of Multiplication
Multiplication
table
Product
The product of any numbers and 1 is equal to the initial number. In symbolic
form a x 1 = a
A table used to find the product of two numbers. The product of two
numbers is found at the intersection of the row and the column for the two
numbers.
The result of multiplication
Property of zero for
multiplication
Zero times any number is zero. In symbolic form, 0 x a = 0
Area
The number of square units needed to cover a surface
Array
A rectangular arrangement of numbers or symbols in columns or rows
Square
A rectangle with all four sides of equal length
Square
centimeter
Square inch
A measure of area equal to that of a square with sides of 1 centimeter long.
Square number
The product when a whole number is multiplied by itself.
Square root
One of two equal factors of a number. The symbol for a principal, or positive,
square root of a number is √
A measure of area equal to a square with 1-inch sides.