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The number partner: go figure

Learning objects The number partner: go figure

TLF ID L105

This tutorial is suitable for use with a screen reader. It explains strategies for breaking up numbers into pairs of smaller numbers, eg 15 = 11 + 4. Work through examples of whole number pairs and sample questions. Apply these principles to solve additions or subtractions.

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Educational details

Educational value
  • Provides explanations for how to find component pairs for two-digit numbers less than 30.
  • Includes a tutorial that explains why it is easier to count on from the larger number of a number pair.
  • Can be used with a screen reader.
Year level

2; 3

Topics Addition Arrays Positive integers Counting Mental arithmetic Commutativity
Learning area
  • Mathematics

Other details

Contributors
  • Contributor
  • Name: CWA New Media
  • Organization: CWA New Media
  • Description: Technical implementer
  • Address: NEW ZEALAND
  • URL: http://www.cwa.co.nz/
  • Name: Maths Technologies Ltd
  • Organization: Maths Technologies Ltd
  • Description: Subject matter expert
  • Address: NEW ZEALAND
  • URL: http://www.nzmaths.co.nz/
  • Name: Education Services Australia
  • Organization: Education Services Australia
  • Description: Data manager
  • Publisher
  • Name: Education Services Australia Ltd
  • Organization: Education Services Australia Ltd
  • Description: Publisher
  • Address: VIC, AUSTRALIA
  • URL: http://www.esa.edu.au/
  • Resource metadata contributed by
  • Name: Education Services Australia Ltd
  • Organisation: Education Services Australia Ltd
  • Address: AUSTRALIA
  • URL: www.esa.edu.au
Access profile
  • Device independence
  • Hearing independence
  • Visual independence
Learning Resource Type
  • Interactive
Rights
  • © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.