Formulas for Perimeter, Area, and Volume

Perimeter of square
        add 4 sides together
        P = 4s
        P = s + s + s + s

Perimeter of rectangle
        add 4 sides together
        P =  L + L + W + W
        P = 2L + 2W  

Circumference of circle
        C = 3.14 x diameter
        C = pi times diameter    

Area of square
        A = S times S
        A = S x S

Area of rectangle
        A = L times W
        A = L x W

Area of circle
       Area of circle = 3.14 x radius squared

Area of triangle
       A of triangle = 1/2 times base times height
       A = 1/2 x bh

Area of parallelogram
       A =1/2 times bh

Area of trapezoid
       A = 1/2 (base 1 + base 2)h

Volume of rectangular prism
       V = lwh

Volume of cube
       V = L x W x H

                           

                           TABLES of MEASURE

Mathematics Chart

LENGTH   Metric Customary 1 kilometer = 1000 meters 1 mile = 1760 yards   1 mile = 5280 feet 1 meter = 100 centimeters 1 yard = 3 feet 1 centimeter = 10 millimeters 1 foot = 12 inches

CAPACITY AND VOLUME   Metric Customary 1 liter = 1000 milliliters 1 gallon = 4 quarts   1 gallon = 128 ounces   1 quart = 2 pints   1 pint = 2 cups   1 cup = 8 ounces

MASS AND WEIGHT   Metric Customary 1 kilogram = 1000 grams 1 ton = 2000 pounds 1 gram = 1000 milligrams 1 pound = 16 ounces

TIME
1 year = 365 days
1 year = 12 months
1 year = 52 weeks
1 week = 7 days
1 day = 24 hours
1 hour = 60 minutes
1 minute = 60 seconds