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You can show numbers using
base-ten blocks to model
a number.
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This is the
1-block or
unit block the
smallest of all the blocks. |
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This is the
10-block and stands
for 10 units. It is also referred to as a
rod or
long. |
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This is the
100-block and
stands for 100 units. It is also called a
flat. |
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This is the
1000-block and stands
for 1000 units. |
Here are some numbers represented using base ten blocks.
Numbers
are made up of digits in
the same way that words are made up of letters.
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Standard form |
325 |
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Written form |
three hundred twenty-five |
These words are called place
value headings.
|
hundreds |
tens |
ones |
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3
3 x 100 = 300 |
2
2 x 10 = 20 |
5
5 x 1 = 5 |
The number
325 is
made up of :
five
ones
two tens
and three hundreds
Click on the
hundreds block for practice.
Remember: To find the
value of each digit, multiply the digit by its
place-
value position.
In 5,432 the value of
the 4 is 4 x 100, or
400. |
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