Exploring problems involving addition and subtraction

In this lesson, we will problem solve to complete missing number triangles! We will practice adding and subtracting to find the answers.

Introductory Quiz

This quiz will help you to check any previous learning on this topic, and re-cap anything you may have forgotten. Once you have completed this, click ‘Close Quiz’ and then ‘Next’ below.

Video

Play 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. Once you have finished all the tasks, click ‘Next’ below.

Lesson Complete

You’ve now completed today’s lesson - well done!

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