1. 7 th Grade Math Vocabulary Word, Definition, Model Emery Unit 1

2. UNIT 1 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 Additive inverse

3. UNIT 1 Definition: 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) Associative Property

4. UNIT 1 Definition: Definition: The Commutative property states that order does not matter. Multiplication and addition are commutative. Model: Commutative Property

5. UNIT 1 Definition: Definition: The bottom number in a fraction. Shows how many equal parts the item is divided into. Model: Denominator

6. UNIT 1 Definition: 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: Distributive Property

7. UNIT 1 Definition: Definition: Having the same value. Model: Equivalent

8. UNIT 1 Definition: A positive or negative whole number. Model: 14, -3, -1, 7, 0, -1 Integer

9. UNIT 1 Definition: The top number in a fraction or ratio. Model: Numerator

10. UNIT 1 Definition: A number that can be made into a fraction or ratio. Model: Rational Number

11. UNIT 1 Definition:. Definition: The reciprocal of a number is: 1 divided by the number. Model: Reciprocal

12. UNIT 1 Definition: Definition: A decimal number that has digits that repeat forever. Model: Repeating Decimal

13. UNIT 1 Definition: Definition: A decimal number that has digits that do not go on forever. Model: Terminating Decimal

14. UNIT 1: UNIT 1: OPERATIONS WITH RATIONAL NUMBERS AND APPLICATIONS Additive Inverse Associative Property Commutative Property Denominator Distributive Property Equivalent Integer Numerator Rational Number Reciprocal Repeating Decimal Terminating Decimal