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Place Value
Base 10
© 2007 Richard Medeiros

2. A number in a base ten system has ten
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A number in a base ten system has ten
digits.
0, 1, 2, 3, 4,
5, 6, 7, 8, 9
© 2007

3. next
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Place Value for our Decimal System
100,000,000
10,000,000
1,000,000
100,000
10,000
1,000
100 10 1
4 5 2,1 6 3,9 7 8
5 2,1 6 3,9 7 8
2,1 6 3,9 7 8
1 6 3,9 7 8
6 3,9 7 8
3,9 7 8
9 7 8
7 8 8
© 2007

4. 6, 9 2 5 Finding place value in base ten. 1,000 100 10 1 x x x
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1,000
100 10 1 x x x
6, 9 2 5
(Base 10)
(6 x 1,000)
(9 x 100)
(2 x 10)
(5 x 1) + + +
(6,000)
(900)
(20)
(5) + + +
6, 9 2 5
© 2007

5. 8, 3 1 2 8, 3 1 2 Finding place value in base ten. 1,000 100 10 1 x x
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Finding place value in base ten.
1,000
100 10 1 x x x
8, 3 1 2
(Base 10)
(8 x 1,000)
(3 x 100)
(1 x 10)
(2 x 1) + + +
(8,000)
(300)
(10)
(2) + + +
8, 3 1 2
© 2007

6. 7 3, 5 2 5 7 3, 5 2 5 Finding place value in base ten. 10,000 100 10
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Finding place value in base ten.
10,000
100 10
1,000 1 x x x x
7 3, 5 2 5
(Base 10)
(7 x 10,000)
(3 x 1,000)
(5 x 100)
(2 x 10)
(5 x 1) + + + +
(70,000)
(3,000)
(500)
(20)
(5) + + + +
7 3, 5 2 5
© 2007

7. Find the place value of the red digit.
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Find the place value of the red digit.
ones
7 6 8
© 2007

8. Find the place value of the red digit.
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Find the place value of the red digit.
hundreds
2 3 9
© 2007

9. Find the place value of the red digit.
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Find the place value of the red digit.
thousands
8 9, 6 7 3
© 2007

10. Find the place value of the red digit.
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Find the place value of the red digit.
tens
17, 6 8 6
© 2007

11. Find the place value of the red digit.
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Find the place value of the red digit.
hundred
thousand
5 1 7, 6 8 6
© 2007

12. Find the place value of the red digit.
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Find the place value of the red digit.
tens
thousand
8 4 7, 5 5 3
© 2007

13. Find the place value of the red digit.
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Find the place value of the red digit.
hundred
thousand
1 , 0 5 7, 7 2 3
© 2007

14. Find the place value of the red digit.
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Find the place value of the red digit.
millions
3 2 , 0 5 6, 8 2 9
© 2007

15. Find the place value of the red digit.
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Find the place value of the red digit.
tens
9 5 7, 5 7 3
© 2007

16. Find the place value of the red digit.
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Find the place value of the red digit.
ten
thousand
14 0 , 0 5 6, 8 2 4
© 2007

17. Find the place value of the red digit.
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Find the place value of the red digit.
hundreds
3 , 4 5 8, 7 4 9
© 2007

18. Find the place value of the red digit.
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Find the place value of the red digit.
ten millions
8 6 , 0 5 1, 7 0 6
© 2007