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Measuring to the Nearest 1/2 Inch | How to Use a Ruler | Math with Mr. J

From Math with Mr. J

Measuring to the Nearest 1/2 Inch | How to Use a Ruler | Math with Mr. J
7 min2nd3rdMath
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Summary

How to measure length with a ruler -- lining up at zero and reading to the nearest inch, half inch, or quarter inch. Mr. J shows how to read the marks.

Viewer safety

All ages

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Teaching resources

Discussion questions

A ruler measures length in units; read carefully to the nearest mark.

  1. Where do you line up an object to start measuring?
  2. What does each small mark on the ruler stand for?
  3. How do you measure to the nearest quarter inch?

Quick work-a-long

Words to know: ruler, length, inch, nearest

  • Measure a pencil to the nearest half inch.
  • Measure a book and compare it to another object.