Math Vocabulary Ch1

A number used as a repeated factor

• exponent

• base

• evaluate

Operations that undo each other

• inverse operations

• base

• order of operations

PEMDAS (parenthesis, Exponents, Multiplication, Division, Addition, Subtraction)

• A weird English word

• Inverse operations

• Order of operations

• Numerical expression

a(b + c) = ab + ac

• distributive property

• order of operations

• inverse operations

900 is 10 times as much as

• 90

• 9000

500 is 1/10 of

• 50

• 5000

561,015

• Expanded form

• Word form

• Standard form

Commutative property of addition

• 13+0=13

• 13+7=7+13

• 4x5=5x4

Identity property of multiplication

• 5x1=5

• 5x4=4x5

• 10x(3x2) = (10x3)x2

Associative property of multiplication

• If the order of factors change, the product stays the same

• The product of any number and 1 is that number

• If the grouping of factors changes, the product stays the same