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Composing & Decomposing Numbers (11-19)

From Generation Genius

Composing & Decomposing Numbers (11-19)
K1st2ndMath
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Summary

Learn about Composing & Decomposing Numbers! Composing means putting together. Decomposing means taking apart.

Viewer safety

All ages

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Teaching resources

Discussion questions

A few questions to talk through after watching Composing & Decomposing Numbers (11-19):

  1. Where in the video did the idea of composing & decomposing numbers (11-19) first "click" for you?
  2. Can you walk a partner through one of the examples in your own words?
  3. Where might you use composing & decomposing numbers (11-19) outside of math class?
  4. What part would you want to see one more time, and why?

Quick work-a-long

Try it:

  • In one sentence, tell a neighbor what composing & decomposing numbers (11-19) means.
  • Draw or write one example of your own, then check it against the video.