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Mental Math within 100

From Generation Genius

Mental Math within 100
K1st2ndMath
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Summary

Learn about Mental Math within 100! Mental math is math that you do without using a pencil and paper.

Viewer safety

All ages

Our rating is a quick teacher-to-teacher guide — preview before showing.

Teaching resources

Discussion questions

A few questions to talk through after watching Mental Math within 100:

  1. Where in the video did the idea of mental math within 100 first "click" for you?
  2. Can you walk a partner through one of the examples in your own words?
  3. Where might you use mental math within 100 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 mental math within 100 means.
  • Draw or write one example of your own, then check it against the video.