Ones, tens, and hundreds: place value

From Smile and Learn

Ones, tens, and hundreds: place value
5 min1st2ndMath
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Summary

An introduction to place value: how the same digit means something different in the ones, tens, and hundreds column. Uses blocks to make grouping by ten concrete.

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Teaching resources

Discussion questions

Talk about it

Where a digit sits tells you its value. A 3 in the tens place means three tens, or thirty — not just three.

  1. In the number 47, what does the 4 stand for? What does the 7 stand for?
  2. How many ones make one ten? How many tens make one hundred?
  3. Which is bigger, 8 tens or 8 ones? Why?

Quick work-a-long

Vocabulary: place value, ones, tens, hundreds.

Try it: Write the number 62. Draw 6 ten-sticks and 2 single dots to show it.