1. DECIMALS A decimal number is a number with a decimal point in it, like these Definition:1. A linear array of digits that represents a real number, every decimal place indicating a multiple of a negative power of

2. SQUARE ROOTS TERM: The square root of a number is a number which multiplied by itself, gives you the original number. DEFINITON:A number that produces a specified quantity when multiplied by itself: "7 is a square root of 49".

3. COORDINATE PLANE TERM: Coordinate Plane is a plane formed by the intersection of a horizontal number line with a vertical number line. A two-dimensional surface on which points are plotted and located by their x and y coordinates.

4. PERCENT Term:A percent is the number of parts out of 100 of something. For example, a quarter (25 cents) is 25 percent of a dollar (100 cents). It is the numerator of a fraction whose denominator is 100. So, the fraction 25/100 is 25 percent, sometimes written as 25%. If you have a decimal number, like.72 and you want to convert it to a percent, you just multiply it by 100. So the decimal.72 becomes (100 X.72) = 72 percent. The following table shows you how to convert between fractions, decimals and percents.numeratordenominatordecimal DEFINITION: When you say "Percent" you are really saying "per 100

5. KEY TERMS DEFINITION: terms to help you work the problem out

6. DIVISIBILITY RULES DEFINITION:A divisibility rule is a shorthand way of discovering whether a given number is divisible by a fixed divisor without performing the division, usually by examining its digits.

7. MULTIPLYING FRACTIONS DEFINITION: multiplying the top number by the top number and the bottom number by the bottom number

8. RATIO Definition: A ratio shows the relative sizes of two or more values.

9. INTEGERS DEFINITION:A member of the set of positive whole numbers {1, 2, 3,... }, negative whole numbers {-1, -2, -3,... }, and zero {0}.

10. SUBTRACTING INTEGERS DEFINITION: if the signs are the different, subtract the numbers and take the sign of the larger number (-3 + 4 or 3 - 4 or 3 +(-4)

11. PRECENT PREPORTION DEFINITION:A part considered in relation to the whole.

12. Circle graph Shows parts of a whole

13. Bar graph A bar graph displays data with vertical o horizontal bars

14. Line plots Use a number line 3, x’s

15. histogram Shows the number of data a items that occur within each interval