Problem preview
MF.SN.3 Challenge MF-025-A12-V02

Multiply and divide signed numbers and interpret sign patterns correctly.

Recognize equivalent signed multiplication and division models

Problem

Identify exactly \(\text{all}~\text{representations}\) that algebraically preserve the signed division relationship \(18~\div~(-6)\). Use valid inverse equations, and do not interpret a negative quantity as a physical number of groups because an equal-groups model requires a nonnegative group count. Report the complete set of labels.

Target: \(18~\div~(-6)\)

Representations:
A. the number that makes \((-6)~\times~?~=~18\)
B. \(18\) divided into groups of \(-6\)
C. \(18\) divided by \(6\)
D. the number that makes \(6~\times~?~=~-18\)
E. \((-6)(-3)\)
F. a total of \(18\) split into equal groups of \(-6\)
G. \(18~+~(-6)\)
H. \(3\) groups of \(-6\)

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Four variants of this problem type
Curriculum context
Standard
MF.SN.3
Category
Signed Numbers
Domain
Operations
Objective
Multiply and divide signed numbers and interpret sign patterns correctly.
Problem type
Recognize equivalent signed multiplication and division models