
This video teaches students how to break numbers within 1,000 into base 10 blocks and regroup them to find the sum. The lesson emphasizes the importance of properly regrouping and removing extra ones or tens to arrive at the correct answer.

This video teaches students how to break numbers within 1,000 into base 10 blocks and regroup them to find the sum. The lesson emphasizes the importance of properly regrouping and removing extra ones or tens to arrive at the correct answer.