Teaching Resource

Expanded Notation Poster

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1 page|This resource is suitable for Grades: 3 - 7

A poster explaining expanded notation.

Information on poster includes:

Expanded notation is writing a number to show the value of each digit. It represents a number as the sum of each of its digits multiplied by their place value (ones, tens, hundreds etc.)

For example: 384 = 3 x 100 + 8 x 10 + 4 x 1
= 300 + 80 + 4
= 384

Expanded notation can also be used when working with powers of 10.

100 = 10 x 10

1 000 = 10 x 10 x 10.

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  • Katrina Anderson

    Nice and simple poster to help with place value.

    Comment by Katrina Anderson on February 19, 2015 at 11:19 am


  • Tonia Marshall

    I would like to see a poster that shows the difference between expanded form (2 x 100 + 3 x 10 + 4 x1) and expanded notation (200 + 30 + 4) – thanks.

    Comment by Tonia Marshall on May 18, 2018 at 8:58 am


    • Stephanie (Teach Starter) Stephanie (Teach Starter)

      Hi Tonia, thanks for your suggestion.

      Please feel free to suggest it via the Request a Resource section: https://www.teachstarter.com/request-a-resource/

      Your request will be voted on by the community. Each week, our team creates the most popular request. If your request hits the top of the list, we’ll be happy to make it for you!

      Official comment by Stephanie (Teach Starter) on May 18, 2018 at 12:21 pm


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