7.EE.B.3.b
Assess the reasonableness of answers using mental computation and estimation strategies.
Khan Academy ResourcesRewriting decimals as fractions challengeAdding & subtracting rational numbersRational number word problemsRational number word problem: checking accountRational number word problem: computersRational number word problem: iceAdding & subtracting rational numbers: 0.79 - 4/3 - 1/2 + 150%Plotting inequalities Rational number word problem: cosmeticsRational number word problem: stockAdding & subtracting rational numbers: 79% - 79.1 - 58 1/10Rational number word problem: cabRational number word problem: school report

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