Multiple Choice
Place-value mats provide a method for organizing base-ten materials.What would be the purpose of using two ten-frames in the ones place?
A) Show the left-to-right order of numbers.
B) Show how numbers are built.
C) Show that there is no need for regrouping.
D) Show that there is no need for repeated counting.
Correct Answer:

Verified
Correct Answer:
Verified
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