7.NCC.6: Apply properties of operations as strategies to fluently add, subtract, multiply, and divide rational numbers.

Apply properties of operations as strategies to fluently add, subtract, multiply, and divide rational numbers.

Example Problems
Evaluate:
Evaluate:
Evaluate:
Khan Academy Resources
Multiplying negative numbers reviewSubtracting negative numbers reviewDividing negative numbers reviewMultiplying negative numbersRewriting decimals as fractions challengeSubtracting negative numbersMultiplying positive and negative fractionsExponents with negative fractional basesAdding & subtracting rational numbersSigns of sumsAdding negative numbers on the number lineSubstitution with negative numbersInterpret negative number addition and subtraction expressionsNegative number addition and subtraction: word problemsRational number word problemsDividing mixed numbers with negativesEquivalent expressions with negative numbersDividing negative numbersAdding & subtracting negative numbersOrdering negative number expressionsInterpreting negative number statementsNegative signs in fractionsSigns of expressions challengeSigns of expressionsDividing positive and negative fractionsAbsolute value to find distanceMultiplying & dividing negative numbers word problemsNumber equations & number linesAddition & subtraction: find the missing valueOne-step equations with negatives (add & subtract)Understand subtraction as adding the oppositeEquivalent expressions with negative numbers (multiplication and division)Subtracting a negative = adding a positiveWhy a negative times a negative makes senseAdding numbers with different signsAdding fractions with different signsAdding negative numbers exampleDividing mixed numbersRational number word problem: checking accountMultiplying positive & negative numbersDividing positive and negative numbersWhy a negative times a negative is a positiveSign of expressions challenge problemsAdding negative numbers on the number lineRational number word problem: computersAbsolute value as distance between numbersInterpreting absolute value as distanceNegative number word problem: AlaskaThe 0 & 1st powerAddition & subtraction: find the missing value (part 1 of 2)Rational number word problem: iceSubstitution with negative numbersAdding & subtracting rational numbers: 0.79 - 4/3 - 1/2 + 150%Even & odd numbers of negativesPlotting inequalities Rational number word problem: cosmeticsRational number word problem: stockInterpreting multiplication & division of negative numbersNegative signs in fractionsAdding & subtracting rational numbers: 79% - 79.1 - 58 1/10Multiplying positive and negative fractionsExponents with negative basesInterpreting numeric expressions exampleDividing negative fractionsOrdering expressions1 and -1 to different powersNumber equations & number linesInterpreting negative number statementsEquivalent expressions with negative numbers (multiplication and division)Rational number word problem: cabAdding & subtracting negative numbersEquivalent expressions with negative numbersNegative number word problem: temperaturesAdding & subtracting fractionsAddition & subtraction: find the missing value (part 2 of 2)Rational number word problem: school report
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