1. Part # 1: Due October 10th Part # 2: Due January 16th
Math Vocabulary
Part # 1: Due October 10th
Part # 2: Due January 16th

2. Turn to Notebook pages # 17-18
Turn to Notebook pages # Compare your definitions to the next 10 slides. If your definitions are different than the ones in the power point, it is your responsibility to change them NOW 

3. A set of whole numbers and their opposites
Integer
A set of whole numbers and their opposites

4. The distance of a number from ZERO (0) on the number line.

5. Quadrant
The four regions in a coordinate plane separated by the x-axis and y-axis.

6. Coordinate Plane
A plane in which a horizontal line and a vertical line intersect at the origin (0, 0).

7. Ordered Pair
A pair of numbers used to locate a point in the coordinate system (plane).

8. Evaluate
To find the value of a numerical or algebraic expression by replacing variables with numbers.

9. Order of Operations
The rules for evaluating an expression involving more than one operation.

10. Exponent
The number that indicates how many times the base number is used as a factor (how many times the number is multiplied).

11. A symbol, usually a letter, used to represent a number.
Variable
A symbol, usually a letter, used to represent a number.

12. Constant (number)
Variable (Letter)
Expression
A mathematical phrase that contains operations, numbers, and variables. It does NOT contain an equal sign.

13. A sequence in which the terms change by the same amount each time.
Arithmetic Sequence
A sequence in which the terms change by the same amount each time.

14. The value of a variable that makes the equation true.
Solution
The value of a variable that makes the equation true.

15. A mathematical sentence that contains an equal sign.
Equation
A mathematical sentence that contains an equal sign.

16. Distributive Property
To multiply a sum by a number you multiply each addend by the number outside the parentheses
5 (20 + 1) = 5 • • 1

17. Associative Property
The way in which numbers are grouped does not change the sum or product
(5 + 2) + 7 = 5 + (2 + 7)

18. The order of the numbers does not change the sum or product
Commutative Property
The order of the numbers does not change the sum or product
2 + 5 = 5 + 2
2 • 5 = 5 • 2

19. The number or numbers that occur most often in a set of data.
Mode
The number or numbers that occur most often in a set of data.

20. Range Largest # - smallest #
The difference (subtract) between the greatest and least values in a data set (after putting all the numbers in order from least to greatest).

21. Outlier
A number that is much greater or less than the other numbers in a data set.

22. Median
The middle number in a set of data when the data is arranged in order from least to greatest.

23. = 25 ÷ 5 = 5
Mean
The sum (+) of all the items in a set of data divided (÷) by the number of items in the set. It is also called the average.