Applying a range of strategies to mentally calculate subtraction
In this lesson, we will use different mental strategies to calculate subtraction such as partitioning, counting on and using known facts.
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.
Unit quizzes are being retired in August 2023
Why we're removing unit quizzes from the website >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.
Unit quizzes are being retired in August 2023
Why we're removing unit quizzes from the website >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.
Unit quizzes are being retired in August 2023
Why we're removing unit quizzes from the website >Applying a Range of Strategies to Mentally Calculate Subtraction Quiz
Are you a whizz at subtraction? Take the quiz to test your knowledge.
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.
Unit quizzes are being retired in August 2023
Why we're removing unit quizzes from the website >Applying a Range of Strategies to Mentally Calculate Subtraction Quiz
Are you a whizz at subtraction? Take the quiz to test your knowledge.
Lesson summary: Applying a range of strategies to mentally calculate subtraction
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