TV on a Rolling Cart

What's the biggest number?

From Mystery Doug

What's the biggest number?
7 minK1st2nd3rd4th5thScienceMath
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Summary

Mystery Doug takes on a real kid's question -- "What's the biggest number?" -- and follows the clues. There is no biggest number -- whatever number you pick, you can always add one more, and that idea is called infinity. A quick five-minute watch to spark curiosity and kick off a conversation.

Viewer safety

All ages
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Teaching resources

Discussion questions

Discussion

Doug investigates a question kids really asked: "What's the biggest number?"

  1. What was Doug's answer to today's question, in your own words?
  2. What surprised you most about infinity, or what did you already know?
  3. What's one thing this makes you want to find out more about?

Quick work-a-long

Words to know: infinity, number, count.

Try it: Explain the answer to "What's the biggest number?" to someone at home using these three words, then write down one new question it made you wonder.

What's the biggest number? — TV on a Rolling Cart