Question

Which answer is the best explanation for how to set up this problem?

235 + 64.1 = ?

A.
Put a zero after the 1 in 64.1 and align the 2 in 235 with the 6 in 64.1.

B.
Align place values so that the 5 in 235 is aligned with the 1 in 64.1.

C.
Put a zero after the 1 in 64.1 and align the 2 in 235 with the 4 in 64.1.

D.
Align place values so that the 5 in 235 is aligned with the 4 in 64.1.