Year 8 Angles Worksheets | Printable PDFs

Year 8 Angles worksheets for Year 8 Maths (Key Stage 3). Students aged 12–13 learn about angles on a line, angles around a point, right angles, and angles in triangles. A right angle is 90 degrees, angles on a straight line add up to 180 degrees, and angles about a point add up to 360 degrees.
Students build on Year 7 knowledge and prepare for more complex geometry in Year 9. For easier questions on Angles, including types of angles and drawing and measuring angles, see Year 7 Angles Worksheets. For more difficult angles question, for example those which involve alternate and corresponding angles try, Year 9 Angles Worksheets.

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Browse Angles Topics

For more Angles Worksheets, see Year 9 Angles Worksheets

For more Angles Worksheets, see Year 7 Angles Worksheets


Common Questions about Year 8 Angles

  1. What is the sum of the interior angles in a triangle?

    The interior angles in any triangle always add up to 180°.
  2. How do you find a missing angle in a triangle?

    Add the known angles together and subtract the total from 180°.
  3. What are vertically opposite angles?

    Vertically opposite angles are formed when two lines cross. They are always equal in size.

Year 8 Angles Common Mistakes

  1. Common Mistake 1

    Forgetting that angles in a triangle add to 180°.
  2. Common Mistake 2

    Mixing up vertically opposite angles with adjacent angles.
  3. Common Mistake 3

    Not showing clear working when subtracting from 180°.


Angles Worksheets - Free Worksheets Above

Year 8 calculating angles (a) worksheet preview

Calculating Angles (A)

Year 8 angles in triangles worksheet preview

Angles in Triangles

Year 8 more to come worksheet preview

More To Come