| A | B |
| 12 in = | 1 ft |
| 36 in = | 1 yd |
| 3 ft = | 1yd |
| 5280 ft = | 1 mi |
| 1760 yd = | 1 mi |
| 1km = | 1000m |
| 1hm = | 100m |
| 1dm = | 10m |
| 1dm = | 1/10m |
| 1cm = | 1/100m |
| 1mm = | 1/1000m |
| 1m = | 39.37in |
| 1m = | 3.3ft |
| 0.303m = | 1ft |
| 2.54cm = | 1in |
| 1km = | 0.621mi |
| 1.609km = | 1mi |
| polygon | has 3 or more sides |
| perimeter of rectangle | P=2 x L + 2 x W |
| rectangle | a figure with four sides and four 90 degree angles |
| square | a rectangle with all sides the same length |
| perimeter of a square | P = 4 x S |
| area of a rectangle region | A = L x W |
| area of a square region | A = S x S |
| parallelogram | four-sided figure with two pairs of parallel sides |
| area of a parallelogram | A = B x H |
| area of a triangle | A = 1/2 x B x H |
| trapezoids | a polygon with four sides, two of which, the bases, are parallel to each other |
| area of a trapezoid | 1/2 x H x (A + B) |
| radius and diameter of a circle | D = 2 x R, or R = d/2 |
| circumference | distance around a circle |
| circumference of a circle | C = Pie x D, or C = 2 x Pie x R |
| area of a circle | A = Pie x R x R, or A = Pie x R square |
| volume of a rectangle solid | V = L x W x H |
| 1 gal = | 4 qts |
| 1 qt = | 2 pts |
| 1 pt = | 2 cups = 16 ozs |
| 1 cup = | 8 ozs |
| 1 liter (L) = | 1000 cubic centimeters (1000cm - cubed) |
| 1L = | 1000mL = 1000 cm cubed |
| 0.001L = | =1mL = 1 cm cubed |
| 1 cc = | 1 mL = 1cm cubed |
| volume of a circular cylinder | V = B x H or V = Pie x R 2 x H |
| sphere | a three dimensional counterpart of a circle |
| volume of a sphere | V = 4/2 x Pie x R cubed |
| volume of a cone | V = 1/3 x B x H = 1/3 Pie x R square x H |
| 1 ton (T) = | 2000 lbs |
| 1 lb = | 16 ozs |
| 1 day = | 24 hrs |
| 1 hr = | 60 mins |
| 1 min = | 60 sec |
| 1 yr = | 365 1/4 days |
| 1 wk - | 7 days |
| Celsius to Fahrenheit | F = 9/5 x C + 32 or F - 1.8 x C +32 |
| Fahrenheit to Celsius | C = 5/9 x (F - 32) |
| 1 sq yd = | 9 sq feet |
| 1 sq ft = | 144 sq in |
| 1 sq mi = | 640 acres |
| 1 acre = | 43,560 sq ft |
| right angle | measure is 90 degrees |
| straight angle | measure is 180 degrees |
| acute angle | measure less than 90 degrees |
| obtuse angle | measure greater than 90 degrees |
| triangle | a polygon made up of three sides |
| equilateral triangle | all sides same length |
| isosceles triangle | two or more sides same length |
| scalene triangle | all sides different lengths |
| right triangle | one angle is a right angle (90 degrees) |
| obtuse triangle | one angle whose measure is greater than 90 degrees |
| acute triangle | all three sides measures less than 90 degrees |
| sum of angkle measures of a triangle | angle A + angle B = Angle C = 180 degrees |