| A | B |
| acute angle | angle < 90 degrees |
| approximately | close to |
| arc | part of a circle |
| base | bottom of a polygon |
| bisect | cut in half |
| chord | a slice of a circle not through the middle |
| circumference | distance around a circle |
| column | one on top of the other |
| composite # | # with more than 2 factors |
| congruent | same size and shape |
| decimeter | 10 centimeters or 1/10th of a meter |
| coordinate graph | grid for locating points |
| correspond | matches with |
| cubic units | units with height, width and depth |
| degrees Celsius | measures temp. |
| degrees Fahrenheit | measures temp. |
| diagonal | slant |
| diagram | picture |
| dimensions | measurements of size of a shape |
| dividend | # being divided |
| divisor | # of fair shares |
| elapsed time | amount of time that's passed |
| equilateral | all sides the same length |
| gallon (gal) | 4 quarts/ 8 pints /16 cups /128 oz |
| greatest common factor | largest factor common to two numbers |
| intersect | cross |
| intersecting lines | crossing lines |
| irregular polygon | not all sides the same length |
| wiggily = sign | approximately = to |
| equal sign with an extra line | is congruent to |
| || | is parallel to |
| upside down capital T | is perpendicular to |
| ~ | is similar to |
| isosceles triangle | two sides = |
| scalene triangle | no sides = |
| Least common multiple (LCM) | lowest multiple common to two numbers |
| mean | average |
| median | middle number in your data |
| midpoint | the exact middle |
| miles per hour | MPH How many miles you can travel in an hour |
| mode | most common number in your data |
| multiple | a number times 2, 3, etc. |
| * or x | multiply or multiplication |
| exponent | the little number which tells you how many times the big number is multiplied by itself |
| obtuse angle | greater than 90 degrees |
| PEMDAS | order of operations |
| per | for each one |
| % | percent (for each 100) |
| perpendicular | lines cross at exactly 90 degrees |
| pt. | pint, 2 cups, 16 fluid ounces |
| portion | fair share |
| prime number | number with exactly 2 factors |
| qt. | quart, 4 cups, 2 pints, 32 ounces |
| quotient | answer in division |
| random | total chance |
| range | from the smallest to the biggest |
| ratio | comparison, :, "to" |
| reflection | opposite shape |
| regular polygon | all sides and angles the same |
| right angle symbol | a corner with a tiny square in it |
| rotations | turns |
| row | one next to the other (seats in an audience) |
| scale drawing | exactly the same only smaller/bigger |
| sequence | steps in order |
| sides | one of the line segments in a polygon |
| slides | movement of a shape side to side |
| square unit | unit of measure of a surface |
| stem and leaf plot | display data divided at one's place |
| time zone | measure of Sun's movement arount our planet |
| ton | t, 2000 pounds |
| tiny triangle | symbol for word triangle |
| value of | how much is it? |
| product | answer in multiplication |
| multiplyer | the number of times something is being multiplied |
| difference | answer in subtraction |
| sum | answer in addition |
| denominator | number of fair shares in all |
| denominator | bottom number in a fraction |
| numerator | number of fair shares I have |
| numerator | top number in a fraction |
| perimeter | distance around (add the sides) |
| area | how much surface in a shape |
| volume | how much space a shape takes up |
| mass | weight |
| mm | millimeter (1000 in a meter) width of a paper clip |
| M | meter |
| cm | centimeter (100 in a meter) width of your pinkie |
| dm | decimeter (10 cm or 1/10 M) |
| Km | kilometer (1000 meters) |
| in or " | inch |
| ft or ' | foot (12 inches) |
| yd | yard, 3 feet, 36 inches |
| lb | pound, 16 ounces |
| oz | ounce, 16 make a pound |
| sec. | second (60 = one minute) |
| min. | minute (60 sec. or 1/60 of an hour) |
| hr. | hour (60 minutes or 1/24 of a day |
| zero pairs | one negative and one positive |