Fractions, Decimals, & Percentages:
1 = 1.0 = 100% 1/2 = 0.5 = 50% 1/3 = 0.33 = 33.33% 1/4 = 0.25 = 25% 1/5 = 0.2 = 20% 1/6 = 0.16 = 16.6% 1/8 = 0.125 = 12.5% 1/9 = 0.111 = 11.1% 1/10 = 0.1 = 10% 1/12 = 0.083 = 8.3% 2/3 = 0.66 = 66.6% 3/4 = 0.75 = 75% |
Customary System:
LENGTH 12 inches (in) = 1 foot (ft) 3 feet = 36 inches = 1 yard (yd) 1,760 yards = 5,280 feet = 1 mile 6,076 = 1 nautical mile WEIGHT 16 ounces (oz) = 1 pound (lb) 2,000 pounds = 1 ton (T) CAPACITY 8 fluid ounces (fl oz) = 1 cup (C) 2 cups = 1 pint (pt) 2 pints = 1 quart (qt) 4 quarts = 1 gallon (gal) Metric System: LENGTH 10 millimeters (mm) = 1 centimeter (cm) 10 centimeters =100 millimeters = 1 decimeter (dm) 10 decimeters = 100 centimeters = 1 meter (m) 1,000 meters = 1 kilometer (km) MASS 1,000 milligrams (mg) = 1 gram (g) 1,000 grams = 1 kilogram (kg) 1,000 kilograms = 1 metric ton (t) VOLUME 10 milliliters (ml) = 1 centiliter (cl) 10 centiliters = 1 deciliter (dl) 10 deciliters = 1 liter (l) Roman Numerals: I = 1 V = 5 X = 10 L = 50 C = 100 D = 500 M = 1000 Addition & Subtraction of Fractions: -Find common denominator Multiplication of Fractions: -Multiply straight across Division of Fractions: -Multiply first fraction by the reciprocal of the second fraction. Fractions to Decimals: -Change denominator to a power of 10. -OR Divide numerator by denominator. |