Same & Different: Counting Collections
Look at the two pictures. What do you notice?
- How are pictures A and B mathematically the same, and how are they different?
- A and B are the same because …
- A and B are different because …
- Make a third picture that uses number pieces to represent a number. Explain how your picture is the same as pictures A and B, and how it is different.
Google doc for printing and copying
Reference for Educators
Sample problems and solutions