Lesson
Page
Uncertainty |
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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 |
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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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Oswego City School District
Elementary Test Prep
Center
Studyzone.org
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