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MF.SN.2 Challenge MF-024-A12-V03

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

Recognize equivalent signed-operation forms

Problem

Identify every candidate that is equivalent to \(-2~+~(-6)\), starts at \(-2\), represents adding \(-6\), and ends at the same value.

A. \(-2~-~6\)
B. \(-2~+~6\)
C. Start at \(-2\) and move \(6~\text{units}\) left.
D. Start at \(-2\) and move \(6~\text{units}\) right.
E. \(-2~+~(-6)\)
F. Start at \(-6\) and move \(2~\text{units}\) left.
G. \(-2~-~(-6)\)
H. Start at \(-2\) and move \(8~\text{units}\) left.

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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
Recognize equivalent signed-operation forms