| A | B |
| Sum | answer to an ADDITION problem |
| Quotient | answer to a DIVISION problem |
| Product | answer to a MULTIPLICATION problem |
| Divisior | the number you are DIVIDING BY |
| Factors | the numbers that a multiplied together |
| Dividend | the number TO BE DIVIDED |
| Prime number | a number whose ONLY TWO FACTORS are 1 and "itself" |
| Composite number | a number that has more than two factors |
| Even number | a number that can be divided by TWO |
| Perimeter | the measure AROUND the OUTSIDE of a closed figure |
| Triangle | a 3-sided closed figure |
| Rectangle | a 4-sided figure with FOUR RIGHT ANGLES |
| Area | the space INSIDE closed fiqure |
| Diameter | a line from one side of a circle, THROUGH the CENTER, to the other side |
| Radius | a line FROM the CENTER of a circle to one side |
| Mean | AVERAGE (add ... then divide by the number of #'s ) |
| Median | the MIDDLE number when listed by value |
| Mode | the number appearing most OFTEN in a list |
| Range | the DIFFERENCE between the highest and lowest number in a list |
| Addend | the numbers that are added together |
| Expanded form | 2,000 + 500 + 60 +8 |
| Roman Numerals | XVI .... XL ... CLVII |
| Percent | part of 100 ( % ) |
| Fraction | a way to write a number LESS than ONE |
| Numerator | the TOP number in a fraction |
| Denominator | the BOTTOM number in a fraction |
| Denominator | the part of a fraction that tells how many PARTS are IN ONE WHOLE |
| Equivalent Fractions | two fractions that mean the SAME thing |
| Improper Fractions | fractions with the larger number on the top |
| Improper fractions | fractions that mean 1 or MORE |
| Compatible numbers | numbers that are in the SAME TIME TABLE |
| Commutative Property | 4 + 7 = 7 + 4 |
| Identity Property | 12 + 0 =12 and 42 X 1 = 42 |
| Mixed Number | a number made of a whole number and a fraction |
| Associative Property | 4 x ( 2 X 5 ) = ( 4 x 2 ) x 5 .... grouping in adding and multiplication does not change the answer |
| Parallel Lines | lines that always stay the same distance apart / They can NEVER MEET. |
| Intersecting lines | lines that CROSS each other |
| Symmetry | means BOTH HALVES of a figure are the SAME |