Representing a Product of Two Factors May Depend on the Methods

Multiple Choice

Representing a product of two factors may depend on the methods student experienced.What representation of 37 x 5 below would indicate that the student had worked with base-ten?

A) An array with 5 x 30 and 5 x 7.
B) 5 groups of 30 lines and 5 groups of 7 dots.
C) 5 circles with 37 items in each.
D) 37 + 37 + 37 + 37 + 37 + 37 + 37.