Multiple Choice
Mia wants to subtract 57 - 29, but thinks of it as (57 + 1) - (29 + 1) in order to yield 58 - 30 and arrives at the answer 28. Mia is using which of the following algorithms?
A) compensation
B) regrouping and renaming
C) equal additions
D) decomposition
Correct Answer:

Verified
Correct Answer:
Verified
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