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MF.SN.2 Challenge MF-024-A13-V03

Add and subtract signed numbers and explain the meaning of the sign changes.

Choose a smart strategy for signed operations

Problem

Consider these strategies for finding \(6~+~(-14)~-~5\): A, compare total positive and negative amounts; B, change \(-5\) to \(+5\); C, subtract magnitudes incorrectly; D, drop the negative sign. Choose the appropriate strategy, then give the value.

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Four variants of this problem type
Curriculum context
Standard
MF.SN.2
Category
Signed Numbers
Domain
Operations
Objective
Add and subtract signed numbers and explain the meaning of the sign changes.
Problem type
Choose a smart strategy for signed operations