Grade
2

Same & Different: Picturing Problems

https://drive.google.com/file/d/1tRKwJ9G5_1FQlj9zYbVeb-3T7LYfpp9v/view?usp=sharing

Look at the two pictures. What do you notice?

A. shows 3 expressions. 7 + 3 (in red) + 6 (in black). 7 (in black) + 1 + 9 (in green). And 5 + 5 (in blue) + 8 (in black). B. shows 3 expressions. 10 (in red) + 4 (in black). 7 (in black) + 10 (in green). And 10 (in blue) + 8 (in black).
  1. 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 …
  2. Make a third picture like the ones above. Use expressions that make 10 or 10 and more. Explain how your picture is the same as pictures A and B, and how it is different.