Download 7th Grade Math Vocabulary

Unit 1
7th Grade Math Vocabulary
Word, Definition, Model
Emery
UNIT 1
Additive inverse
Definition: A number that is the same
distance from 0 on the number line, but in
the opposite direction.
Model:
+3 is the additive inverse, or opposite, of -3
-3 is the additive inverse, or opposite, of +3
UNIT 1
Associative Property
Definition: This property states that you can add or
multiply regardless of how the numbers are
grouped. In other words, if you are adding or
multiplying it does not matter where you put the
parenthesis.
Model:
(2 x 3) x 4 = 2 x (3 x 4)
UNIT 1
Commutative Property
Definition: The Commutative property states that
order does not matter. Multiplication and addition
are commutative.
Model:
UNIT 1
Denominator
Definition: The bottom number in a
fraction. Shows how many equal
parts the item is divided into.
Model:
UNIT 1
Distributive Property
Definition: The Distributive Property says that
multiplying a number by a group of numbers added
together is the same as doing each multiplication
separately.
Model:
UNIT 1
Equivalent
Definition: Having the same value.
Model:
UNIT 1
Integer
Definition: A positive or negative
whole number.
Model:
14, -3, -1, 7, 0, -1
UNIT 1
Numerator
Definition: The top number in a
fraction or ratio.
Model:
UNIT 1
Rational Number
Definition: A number that can be
made into a fraction or ratio.
Model:
UNIT 1
Reciprocal
Definition: The reciprocal of a
number is: 1 divided by the
number.
Model:
UNIT 1
Repeating Decimal
Definition: A decimal number that
has digits that repeat forever.
Model:
UNIT 1
Terminating Decimal
Definition: A decimal number
that has digits that do not go on
forever.
Model:
UNIT 1: OPERATIONS WITH RATIONAL
NUMBERS AND APPLICATIONS
Additive Inverse
Integer
Associative Property Numerator
Commutative Property Rational Number
Denominator
Reciprocal
Distributive Property Repeating Decimal
Equivalent
Terminating Decimal