| A | B |
|---|
| sum | answer to and addition problem |
| difference | answer to a subtraction problem |
| addends | numbers being added together |
| product | answer to a multiplication problem |
| factors | numbers being multiplied together |
| quotient | answer to a division problem |
| numerator | top number in a fraction, the dividend |
| denominator | bottom number in a fraction, the divisor |
| dividend | number being divided |
| divisor | number being divided by |
| metric system | measurement based on powers of 10 |
| U.S. measurement | measurement based on inches, feet, yards, and miles |
| perimeter | distance around an object |
| counting #s | numbers in the sequence 1.2.3.4…. |
| whole #s | numbers in the sequence 0,1,2,3,4… |
| sequence | ordered set of numbers following a certain rule |
| scale | how big the parts are in a unit of measurement |
| opposites | two numbers whose sum is zero |
| integers | set of all counting numbers, their opposites and zero |
| rounding | expressing a number as another to a different place value |
| average | sum of a set of numbers divided by how many numbers there are |
| line graph | displays numerical information as points on a line |
| divisible | can be divided evenly into |
| GCF | the largest number that can be divided evenly into a set of numbers |
| multiples | set of numbers obtained when you count by a particular number |
| LCM | the smallest number a group of numbers can divide evenly into |
| reciprocals | the fraction you get when you invert any other fraction |
| area | the number of square units that cover a flat surface |
| expanded notation | sum of each digit times its place value |
| percent | parts per 100 |
| improper fraction | fraction whose numerator is bigger than its denominator |
| mixed number | a number containing a whole # part and a fractional part |
| line | set of all points going in two opposite directions |
| ray | half-line |
| segment | part of a line with two end points |
| plane | flat surface going forever in all directions |
| parallel | two lines that never intersect |
| perpendicular | two lines that form a right angle |
| intersect | two lines that cross each other |
| right angle | 90 degree angle |
| coordinate plane | a plane broken into quadrants and the x and y axis |
| origin | zero, middle of coordinate plane |
| coordinates | the location of a point on the coordinate plane |
| exponents | the power, number of times a number is multiplied by itself |
| polygon | closed figure whose sides are segments |
| vertex | common endpoint of two rays, the corner of the angle |
| regular | all sides are equal |
| prime factorization | writing a number as product of primes |
| ratio | comparison of two or more things |
| PEMDAS | Order of Operations acronym |
| faces | two dimensional shapes on outside of a geometric solid |
| edges | the segment where two faces come together |
| vertices of a polygon | the points where three or more faces come together |
| probability | desired outcome divided by possible outcomes |
| circumference | distance around a circle |
| radius | segment from the center of a circle out to the circle (halfway across) |
| diameter | segment all the way across a circle through the center |
| proportion | comparison of two ratios |
