Making groups and counting by 10s to figure out large sums! |
Talking about and sharing math ideas and language! |
Checking to make sure that their sum makes sense...... is our answer reasonable? |
Working with another team to share and defend answers..... how did YOU solve it? Can you explain it? |
Presenting math thinking to the class....using 10s and 1s and number strings to figure out the final answer! |