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Lesson 6 Learning Objective:
Round whole numbers to the nearest ten, hundred, or thousand
Math Talk:
See Math Talk image below
Polypad: Number line
(Play with starting your number line at 1000!)
Reflect:
*Reflect in your math journal. Draw, create or write to share your thinking. See Lesson 6 plan for more reflection questions, real life anchoring, playful explorations and creative invitations.
What changes when a number gets rounded? Why does it matter? Who might care how the number gets rounded? Can numbers be fair or unfair?
Scenario: You are packing boxes of emergency supplies for 7521 people. Should you round up or down? Should you round to 10s, 100s or 1000s? Why is this question important?
Math Talk:
What Math Lives Here?
Have a conversation about this image. Be curious. Be creative. Can you see in different ways?
What do you notice? How did they count people? How was rounding important? What gets missed?
Inauguration of Mr. Lincoln, March 4, 1861 from New York Times article How Crowds at the Capitol are Counted, 2017
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