2. One (slice) rice cake.

3. One (dish) rice cake.

4. One (one) rice cake.

5. A piece of rice cake.

6. A rice cake.

7. A box of rice cakes.

8. One (basket) rice cake.

9. One (bowl) rice cake.

10, one rice cake (bag).

1 1, one rice cake (bag).

12, a pile of rice cakes.