Package 3 - Year 1 and 2 Mathematics - Which one doesn’t belong?

This number talk and activity encourages your child to look for the patterns that make things different and similar.

Week 5 - Package 3 - Year 1 and 2 Mathematics - Which one doesn’t belong?

Things you need

Have these things available so your child can complete this task.

Ideal

Back up

  • Your child needs to watch the video in order to complete this activity.

Why is this activity important?

This number talk and activity encourages your child to look for the patterns that make things different and similar. It will give them practice sorting and categorising items. This activity can be completed with shapes, numbers, letters and anything you can think of. Asking them to make a case for each image encourages flexible thinking.

Before you start

  • Make sure your child has the required resources ready.

  • Check that the video is working and the audio settings are correct for your child.

What your child needs to know and do

This activity builds on your child’s understanding of patterns and relationships.

What to do next

Watch the Which one doesn’t belong? video.

There might be some other reasons why each one doesn’t belong. Can your child make a case for why each domino doesn’t belong using different criteria? Record other reasons why each domino doesn’t belong?

Look at the images below:


Students can collaborate with family, friends or classmates to discuss and record, which one doesn’t belong foro the images above.

Options for your child

Activity too hard?

Rewatch the video and pause after each domino is discussed and ask your child to agree or disagree. You can also play which one doesn’t belong with a collection of 4 items or toys around the home.

Activity too easy?

Ask your child to come up with multiple reasons why each one doesn’t belong.

Follow-up questions to ask your child

  • Can you come up with other reasons why this image doesn’t belong?

  • Do you agree with the thinking in the video?

Extension/Additional activity

Can you create a new image that makes all of the images in the video belong?

Activity sheet 1:

What’s your initial thinking for which one doesn’t belong? Why?


Make a case for why each number doesn’t belong.



Activity sheet 2:

4 different tangram images each using 4 right angled triangles.

Which one doesn’t belong? Use this image to challenge yourself to come up with an argument for each image.


Return to top of page Back to top