Grade
1
Same & Different: Tens & Ones
Look at the two pictures. What do you notice?
![A. shows 2 towers of 10 cubes. Each has 5 red and 5 blue cubes. It also shows 3 single red cubes. B. shows 4 towers of 10 cubes. Each has 5 red and 5 blue cubes. It also shows 3 single red cubes.](/sites/default/files/styles/large/public/inline-images/suA47rQ8Uwgqm0zpOBewOy0IMT3ltJ6gBPJmkRVq5AOkPTxKxP.png?itok=2bq3XRmB)
- 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 with tens and ones. 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