Measurement reference

Printable protractors

Print one or two original semicircular protractor faces with one-degree ticks and opposing ten-degree number rings.

Ready-made English PDF · fixed settings

Reference · Letter Reference · A4

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First page of the printable protractors printable worksheet

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Print the reference handout

Print at 100% / Actual size and use either zero origin to measure angles from the named baseline.

Download a one-page protractor handout with one or two full-size faces. It has no score or separate answer key.

US Letter

Reference handout

A4

Reference handout

Choose paper size and protractor count

Paper sizes and printing help · More measurement activities

Learning objective

What this activity builds

Use a clear printable degree scale as a measurement reference.

Worked example

Which number ring starts at zero on the left baseline?

The outer ring

Choose the ring whose zero aligns with the baseline ray where the angle begins.

Teaching notes

Make the practice count

Print at actual size and disable page scaling.
Choose one or two faces per page without changing face size.
Trace from the named baseline before reading a degree value.

Make it yours

Customize the reference

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A useful next step

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Classify 20 angles as acute, right, obtuse or straight. Ten questions use unlabelled diagrams and ten use exact degree measures, followed by a separate answer key.