Grade 8 Supplemental Math Reference Sheet 2017-2018



Approved Supplemental Mathematics Reference SheetGrade 8 (For use by students on the MCAS Mathematics test who have this accommodation)General Problem Solving StrategiesSymbolsReread question for clarityDraw a pictureMake a tableCircle or highlight key termsCalculate and solveSee if my answer makes senseCircle my answer> is greater than < is less than = is equal to≤ is less than or equal to≥ is greater than or equal to|absolute value|Place ValueDivisibility RulesWhole NumbersDecimalsHtTtThHTO.THTh2If the last digit is even3If the sum of the digits can be divided by 35If the last digit is 0 or 56If the number is divisible by both 2 and 39If the sum of the digits can be divided by 910If the last digit is 0ProbabilityPropertiesP=favorable outcomespossible outcomesab+c=ab+ac a+b+c=a+b+ ca ?b?c=a?b? c a ? b=b ? a a+b=b+a StatisticsFractionsmeAnMOdemeDIanRangEab+cd=ad+bcbdab-cd=ad-bcbdab?cd=acbdab÷cd=adbcDevices and OperationsPercentages and ProportionsPEMDASSame sign – sumDifferent sign – differenceisof=%100ab= cd then ad=bc Hundreds ChartCoordinate Plane123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100yxIIIIVIIIAx+By=Cm=y2-y1x2-x1 or RiseRuny=mx+b y-y 1= m(x-x1) TransformationsNumber LineroTation reFLection tranSLation41275116205Multiplication TableX123456789101112123456789101112 ................
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