Adding and subtracting multiples of 100 to/from 3-digit numbers
In this lesson, we will use known number facts in order to mentally add and subtract multiples of 100 to and from 3-digit numbers. We will look at partitioning strategies and analyse place value to make mental addition and subtraction more efficient.
This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.
Intro quiz - Recap from previous lesson
Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!
This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.
Intro quiz - Recap from previous lesson
Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!
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. 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.
This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.
Adding and Subtracting Multiples of 100 to/from 3-Digit Numbers Quiz
Let's see how much you have learnt about adding and subtracting multiples of 100 from/to 3-digit numbers
This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.
Adding and Subtracting Multiples of 100 to/from 3-Digit Numbers Quiz
Let's see how much you have learnt about adding and subtracting multiples of 100 from/to 3-digit numbers
Lesson summary: Adding and subtracting multiples of 100 to/from 3-digit numbers
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