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Counting Kit: Correcting ‘teen’ and ‘ty’ Errors

Teacher Notes

Correcting 'teen' and 'ty' errors.

Pages 21 to 26 of the Teacher Notes document above outlines common errors students make when learning ‘teen’ and ‘ty’ numbers. Download these free by clicking on the three dots underneath the pdf viewer.

The notes, videos and activities on this page are part of Bond Blocks Counting to 10 & 20. 

For more information see https://bondblocks.com/counting-kit/about-the-counting-kit/ 

The videos are free to use but the A3 activity boards and wooden Bond Blocks need to be purchased. 

Oral Language Errors

These videos address:

  • the place value meaning of the suffixes ‘teen’ and ‘ty’
  • saying ‘teen’ and ‘ty’ correctly (expressive skill)
  • listening to and hearing the difference between ‘teen’ and ‘ty’ (receptive skill)
Number Board

Use this board in Sessions 2 and 3.

  • Project for “We Do”.
  • Print for students “You Do”. 
Click the image to download. 

Errors Writing the Numeral

These videos address:

  • Numbers are made up of digits.
  • We write numbers in maths using place value. We do not use sounding out.
  • The place of the digit tells us how much it is worth.
Implementation: General Tips video
Tier Two and Three Intervention Implementation video