Explore how the generalisation can be used as a mental calculation strategy using Known facts

In this lesson, we will explore how the generalisation can be used efficiently as a mental calculation strategy using known facts. Resources provided by NCETM (CC BY-NC-SA: https://creativecommons.org/licenses/by-nc-sa/4.0)

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.

Lesson summary: Explore how the generalisation can be used as a mental calculation strategy using Known facts

Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Dance