Grade 8 Math Chart

Texas Assessmentof Knowledge and SkillsGrade 8Mathematics Chart6 7 8 9 10 11 12 13 14 15 16 17 18 19 200 1 2 3 4 5CentimetersLENGTHMetricCustomary1 kilometer = 1000 meters 1 mile = 1760 yards1 meter = 100 centimeters 1 mile = 5280 feet1 centimeter = 10 millimeters 1 yard = 3 feet1 foot = 12 inchesCAPACITY AND VOLUMEMetricCustomary1 liter = 1000 milliliters 1 gallon = 4 quarts1 gallon = 128 fluid ounces1 quart = 2 pints1 pint = 2 cups1 cup = 8 fluid ouncesMASS AND WEIGHTMetricCustomary1 kilogram = 1000 grams 1 ton = 2000 pounds1 gram = 1000 milligrams 1 pound = 16 ouncesTIME1 year = 365 days1 year = 12 months1 year = 52 weeks1 week = 7 days1 day = 24 hours1 hour = 60 minutes1 minute = 60 secondsInches0 1 2 3 4 5 6Continued on the next side

Grade 8 Mathematics ChartPerimeter square P = 4srectangle P = 2l + 2w or P = 2(l + w)Circumference circle C = 2πr or C = πdArea square A = s 2rectangle A = lw or A = bh1triangle A = bh or A =21trapezoid A = (b2 1 + b 2 )h or A =circle A = πr 2P represents the Perimeter of the Base of a three-dimensional figure.B represents the Area of the Base of a three-dimensional figure.Surface Area cube (total) S = 6s 2bh2(b 1 + b 2 )h2prism (lateral)S = Phprism (total) S = Ph +2Bpyramid (lateral)1S = Pl2pyramid (total)1S = Pl + B2cylinder (lateral) S = 2πrhcylinder (total) S = 2πrh +2πr 2 or S =2πr(h + r)Volume prism V = BhcylinderV = BhpyramidconeV =V =1Bh313 Bhsphere V =4πr3227Pi π π ≈ 3.14 or π ≈Pythagorean Theorem a 2 + b 2 = c 2Simple Interest FormulaI = prt