Lesson 7: Regrouping
Lesson 7 Learning Objective:
Regroup to write numbers presented as non-standard sums of ones, tens, hundreds, and thousands as standard base ten sums
Embedded Files
Reflect:
Reflect in your math journal. Draw, create or write to share your thinking. See Lesson 7 guide for more reflection questions, real life anchoring, playful explorations and creative invitations.
When we regroup, what is different? What is the same?
Have you ever had to regroup yourself—not in math, but in life? How can being willing to shift shape—without changing who we are—be a strength?
What can we learn from the flexibility of numbers?
How is rounding like the earth where nothing ever disappears, it just takes a new form?
Math Talk:
What Math Lives Here?
Have a conversation about this image. Be curious. Be creative. Can you see in different ways?
Same and Different
How are the arrangements the same? How are they different? What do you notice?
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