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An estimate
is an answer that is close
to an exact answer.
Strategies
to estimate the length of objects.
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thumb - from
the knuckle to the tip is about an inch. |
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The distance
between two knuckles on a person's finger might
be about an inch. |
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A sheet of paper
is almost a foot long. |
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A doorknob is
about a yard from the floor. |
Estimate
and Measure
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Print out the page and write in the table. First record your estimates
and then
use a ruler for an exact measurement. Remember to
measure real world objects in your house or classroom, not the
pictures of the objects on the page. |
| Object |
Estimate |
Measurement |
|
key |
|
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|
stapler |
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|
pen |
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book |
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- In an
estimate,
you judge about how long
without using a ruler.
- In an
exact
measure, you use a ruler and measure.
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Click on the ruler for
practice.
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