Adding and subtracting 1-digit numbers to/from 3-digit numbers
In this lesson, we will investigate different mental strategies to add and subtract, including regrouping.
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:
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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.
Lesson summary: Adding and subtracting 1-digit numbers to/from 3-digit numbers
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