MathsYears 5–6Geometry - Properties of Shapes

Measure and draw angles

Know angles are measured in degrees; estimate and compare acute, obtuse and reflex angles; draw given angles, and measure them in degrees; identify angles at a point, on a straight line and vertically opposite angles

What you'll learn

  1. 1

    Imagine opening a door 🚪 — the amount it swings open is the angle. We measure it in degrees (°).

  2. 2

    What do we use to measure angles?

  3. 3

    Drag the handle to make a 45° angle on the protractor.

  4. 4

    Let's measure an angle together. Look at the picture.

  5. 5

    Now you try — set the protractor to 120°.

  6. 6

    A right angle is 90°. What is a 90° angle called?

  7. 7

    If an angle is bigger than 90° but smaller than 180°, what is it?

Practise Measure and draw angles with Whizlo

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