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Standards/Math/District of Columbia/7.EE.B.3

7.EE.B.3

7.EE.B Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
7.EE.B.3
7.EE.B.4

Solve multi-step real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies.

Example Problems
Evaluate:
−10−(−5)+2
Evaluate:
7+(−3)+(−4)
Evaluate:
−8−3+8+(−3)
Khan Academy Resources
Rewriting 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%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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