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Use Expanded Form to Add 3-Digit Numbers

From Khan Academy Kids

Use Expanded Form to Add 3-Digit Numbers
1 min1st2ndMath
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Summary

A place-value clip on use Expanded Form to Add 3-Digit Numbers: how ones, tens, and hundreds build numbers. From Khan Academy Kids (1:26).

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Teaching resources

Discussion questions

Discussion

This clip uses place value to explain use Expanded Form to Add 3-Digit Numbers.

  1. How do ones, tens, and hundreds help us read big numbers?
  2. What did the video do step by step?
  3. Can you try one example like the ones in the video?

Quick work-a-long

Vocabulary: place value, ones, tens, hundreds.

Try it: Pick a two- or three-digit number and say how many hundreds, tens, and ones it has.