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Angles

  • Pre-School
  • Reception
  • Year 1
  • Year 2
  • Year 3
  • Year 4
  • Year 5
  • Year 6
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Sorry, there is nothing on this subject at this level.
Sorry, there is nothing on this subject at this level.

Year 2

Angles

Angles are measured in degrees °

Angles

Right angles

A right angle is a quarter of a full turn. It measures 90°.

Right angles

Hitting the TargetHitting the Target
Click on the football to learn about right angles.



Hands onMake your own right angle by cutting a corner off a cereal box. See how many things around your house have right angles.

Right angles worksheet
See how many right angles these shapes have. Then have a go at the sorting right angles worksheet.

Year 3

Right Angles

Right angles are equal to quarter of a turn or 90°.

Turns and angles

Hitting the TargetHitting the Target
Click on the football to learn about right angles.



Looking at angles

Angles can be more than or less than a right angle.

More than, less than a right angle
Find the angles
Find the angles in these pictures. Are they more than or less than a right angle?
Angles around us
Take a look around you. Do you notice all the angles?

Year 4

Types of angles

There are four types of angles. Right angles we already know about. Acute angles are less than a right angle. Obtuse angles are more than a right angle. However if they are more than a straight line they are reflex angles.

       Types of angles

Still having problems working out what an angle is? Use this chart to help you work it out.

Which angle

Identify the angles
Work out if these angles are right angles, acute, obtuse or reflex angles.
Hitting the TargetHitting the Target
Click on the tennis ball to learn how to recognise acute angles.

Click on the cricket ball to learn how to recognise obtuse angles

Year 5

Estimating angles

Use a piece a corner of a piece of paper to see if an angle is more or less than 90°. Fold it in half to see estimate 45° angles.

Measuring angles with a protractor

We measure angles using a protractor. Learn how to measure angles by watching the video below. Then have a go by printing off the worksheet.

Hitting the TargetHitting the Target
Click on the red snooker ball to learn how to measure angles using a protractor.



Angle MeasurementsAngle Measurements
Practice using this online protractor to measure angles.



Measuring angles with a protractor
Have a go at measuring these angles with a protractor.
Kung-Fu AnglesKung-Fu Angles
Enter the correct angle to flight your enemy.




Drawing angles using a protractor

Angles on a straight line

Angles on a straight line will always add up to 180°.

  Angles on a straight line

Perpendicular Lines

Perpendicular anglesPerpendicular lines always meet at 90°




Year 6

Angles in a triangle

The angles in a triangle always add up to 180°

hands onTry it! Cut up a triangle and line them up on a straight line. Try different shaped triangles.

Now we know this we can work out any missing angles of the triangle. Watch below to find out how.

AnglesAngles
Control the Roboidz with your knowledge of angles in this exciting Mission 2110 game. Calculate angles that make a triangle and set dials to certain angles.

 

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