Further practice to reason about how the change in the subtrahend changes the difference

In this lesson, we will further practice to reason about how the change in the subtrahend changes the difference demonstrated through sequences. 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: Further practice to reason about how the change in the subtrahend changes the difference

Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance