# Adding and subtracting ones from a 2-digit number

In this lesson we will be using our knowledge of number bonds within ten to begin deriving facts when adding or subtracting ones from numbers within 100.

# 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:

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# 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.

# Lesson summary: Adding and subtracting ones from a 2-digit number

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The next lesson in Addition and subtraction of 2-digit numbers is "Adding and subtracting multiples of ten"