- Reading a Protractor or a Ruler,
a selection of answers from the Dr. Math archives.
- Using a Protractor:
- Measuring Angles with a Protractor
- I want to know how to measure acute, reflex and obtuse angles with a protractor.
- How do I measure angles using a protractor?
- How do I measure angles using a protractor?
- Reading a Ruler:
- Reading a Ruler
- I need to read a ruler, and I can't. Can you help me?
- Reading a Ruler II
- What do the little lines on a ruler stand for?
- Finding Fractions on a Ruler
- How can I find measurements like 7/8" or 5/16" on a ruler?
- Metric and Standard Rulers
- In the United States we only use a customary (standard) ruler,
and in other parts of the world they use the metric side. Why do
we just use the standard side?
- Teaching the Metric System
- How can I teach my second grader about the metric system? I have
no idea how to read a metric ruler or how to convert inches into the
metric system or vice versa.
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