**Q3: **

Michael solved by writing it as the sum of simpler quotients.

Use this method to find the answers to these problems.

Find the addition expression.

- A10 + 2
- B10 + 3
- C1 + 3
- D1 + 2

**Q6: **

Monaโs teacher is talking about division.

To solve , she breaks apart 33 into .

Mona tried to solve
by breaking apart 42 into .

She got stuck. What is the problem?

- A40 and 2 are not multiples of 3.
- B40 is too big; she does not know enough division facts about it.
- C40 and 2 are multiples of 3.
- D2 is too small; she does not know enough division facts about it.