Question

To subtract 0.9 what do you need to rename?
A. Rename 1 tenth 4 hundredths as 14 hundredths.
B. Rename 1 one 3 tenths as 13 tenths.
C. Rename a ten as 10 ones.
D. Rename a hundred as 10 tens.

Answer 1

B) In order to subtract 0.9 from your blocks (10.34) you would need to rename your "three tenths" to "thirteen tenths". Basically all it is saying is that you would need to borrow a "one" from the left side of your decimal.

Answer 2

C