Grade
3
Same & Different: On the Court
Look at the two pictures. What do you notice?
![A. shows a basketball court and 2 players. One player, who is 237 inches from the basket, passes the ball to the other player, who is 152 inches closer to the basket. 237 minus 152. A number line shows 237 minus 100, then minus 37, then minus 10, then minus 5 to land at 85. B. shows a basketball court and 2 players. One player, who is 252 inches from the basket, passes the ball to the other player, who is 198 inches closer to the basket. 252 minus 198. A number line shows 198 + 2, then plus 50, then plus 2 to land at 252.](/sites/default/files/styles/large/public/inline-images/c8oOJr2NF2cMzre12CKXVzKlK5HyKgYk7vXesYTHtYNm3hEdU8.png?itok=1xZXpg3i)
- 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 shows two students playing basketball. Explain how your picture is the same as pictures A and B, and how it is different.
Printable Version
Google doc for printing and copying
Reference for Educators
Sample problems and solutions