Understanding Place Value
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Transcript of Understanding Place Value
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Understanding Place Value
Base-Ten Models
Created by Jamie Unverzagt
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I have 1 hundred and 1 ten. What number am I?
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I have 1 hundred and 1 ten. What number am I?
1 hundred 1 ten 0 ones
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I have 1 hundred and 1 ten. What number am I?
1 1 0
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I have 1 hundred and 1 ten. What number am I?
1 1 0
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I have 1 hundred and 1 ten. What number am I?
110
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I have 2 tens and 8 ones. What number will I be if you add 4 tens?
10 20 30 40 50 60
61626364
65666768
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I have 1 hundred, 5 tens, and 2 ones. What number will I be if you take away 5 tens?
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I have 1 hundred, 5 tens, and 2 ones. What number will I be if you take away 5 tens?
1 hundred 0 tens 2 ones
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I have 1 hundred, 5 tens, and 2 ones. What number will I be if you take away 5 tens?
1 0 2
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I have 1 hundred, 5 tens, and 2 ones. What number will I be if you take away 5 tens?
1 0 2
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I have 1 hundred, 5 tens, and 2 ones. What number will I be if you take away 5 tens?
102
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I am the greatest even number that has 3 tens. What number am I?
What’s the greatest number of hundreds I can have?
How many tens?
What’s the greatest number of ones I can have and still be even?
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I am the greatest even number that has 3 tens. What number am I?
9 hundreds 3 tens 8 ones938
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I have 23 ones. What number am I?
2 tens 3 ones
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I have 23 ones. What number am I?
23
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I have a dozen tens. What number am I?
1 hundred 2 tens 0 ones
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I have a dozen tens. What number am I?
120
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Can you show 23 with your blocks?
Let’s write this number in expanded formexpanded form. What is the valuevalue of each groupeach group of blocksblocks?
20 + 3 = 23
2 tens is 20.
10 20
1
2
3
3 ones is 3.
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Can you show 145 with your blocks?
Let’s write this number in expanded formexpanded form. What is the valuevalue of each groupeach group of blocksblocks?
100 + 40 + 5 = 145
4 tens is 40.
10 20
1
2
3
5 ones is 5.1 hundred is 100.
30 40
4
5
100
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Use Your Noodle QuestionsUse Your Noodle Questions::
• How many different waysdifferent ways can you show 2121?
• I have 3 blocks3 blocks. The blocks can be of any value. What could oneone total valuevalue be? What are allall the possible possible valuesvalues I could have?
Noodle Questions are from Creative Publications 20 Thinking Questions for Base Ten Blocks (Grades 2-3). ISBN 1-56107-792-5
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Great Job!Great Job!