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Geometry: Estimate Angles

In this worksheet, students use their knowledge to estimate an angle. Then they measure the angle to see how close they were.

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'Geometry: Estimate Angles' worksheet

Key stage:  KS 2

Year:  Year 3 11+ worksheets

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   2D Shapes: Circles, Angles and Bearings

Difficulty level:  

Worksheet Overview

In this activity, we will learn how to estimate the size of each angle.

e.g. Estimate the size of the angle.


Think of key angles such as: 30°, 60°, 90°, 120° and 180°.

Answer: The angle is about 120°.

Using a protractor, the exact size of this angle = 116°.

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