Worksheet: Measuring Reflex Angles

Measuring reflex angles isn't that tough if you follow three simple steps. Place the protractor upside-down, measure the exterior of the angle, and subtract it from 360° to obtain the measures of the reflex angles in this PDF worksheet. Bear in mind to align the origin of the protractor with the vertex of the angle and read the outer scale of the protractor while measuring the angles. Answer key is available at the end of the PDF.

This free PDF worksheet is ideal for the students of grade 4 and grade 5.

CCSS: 4.MD

Measuring Reflex Angles
Measuring Reflex Angles

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