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Sort the Angles: Acute or Obtuse

In this worksheet, students sort angles into acute or obtuse.

'Sort the Angles: Acute or Obtuse' worksheet

Key stage:  KS 2

Year:  Year 4 Maths worksheets

Curriculum topic:   Geometry: Properties of Shapes

Curriculum subtopic:   Identify Acute/Obtuse Angles

Popular topics:   Angles worksheets

Difficulty level:  

Worksheet Overview

This worksheet is about spotting acute and obtuse angles.

 

Example

Sort the angles into acute and obtuse.

 

(a) Obtuse (b) Obtuse (c) Acute

 

 


(d) Acute (e) Acute (f) Obtuse
 

 

 

Answer

Acute angles: c, d, e.  

These are less than 90° (a right angle).

 

Obtuse angles: a, b, f.  

These are more than 90° (a right angle) but less than 180° (a straight line).

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