Reading angles on a protractor (Part 1)

In this lesson we will learn how to read a protractor and measure accurately to 10°, 5° and 1°.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Q1.What is the definition of a reflex angle?

1/4

Q2.Which of these angles is a reflex angle

2/4

Q3.Order these angles from smallest to largest.

3/4

Q4.Is this statement always, sometimes or never true: "I can draw a triangle with an (internal) reflex angles"

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Q1.What is the definition of a reflex angle?

1/4

Q2.Which of these angles is a reflex angle

2/4

Q3.Order these angles from smallest to largest.

3/4

Q4.Is this statement always, sometimes or never true: "I can draw a triangle with an (internal) reflex angles"

4/4

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Reading angles on a protractor part 1

acute and obtuse to 10°, 5° and 1° Source of all images : Mr Kelsall or Oak National Academy

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Does this angle measure 150° or 30°

1/5

Q2.What does this angle measure

2/5

Q3.What does this angle measure?

3/5

Q4.What does this angle measure?

4/5

Q5.What does this angle measure?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Reading angles on a protractor part 1

acute and obtuse to 10°, 5° and 1° Source of all images : Mr Kelsall or Oak National Academy

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Does this angle measure 150° or 30°

1/5

Q2.What does this angle measure

2/5

Q3.What does this angle measure?

3/5

Q4.What does this angle measure?

4/5

Q5.What does this angle measure?

5/5

Lesson summary: Reading angles on a protractor (Part 1)

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