About cookies

The NCETM site uses cookies. Read more about our privacy policy

Please agree to accept our cookies. If you continue to use the site, we'll assume you're happy to accept them.

 

Personal Learning Login






Sign Up | Forgotten password?
 
Register with the NCETM

1.12 Subtraction as difference


Created on 15 January 2018 by ncetm_administrator
Updated on 16 January 2018 by ncetm_administrator

Introduction

Introduce children to subtraction as difference, the third and final subtraction structure; review consecutive numbers, as well as consecutive odd/even numbers, in the context of difference.

Teaching points

  • Teaching point 1: Difference compares the number of objects in one set with the number of objects in another set; or the difference between two measures.
     
  • Teaching point 2: Difference is one of the structures of subtraction.
     
  • Teaching point 3: Consecutive whole numbers have a difference of one; consecutive odd/even numbers have a difference of two.
     
  • Teaching point 4: We can apply the structure of difference to compare data.
     

 

 

Comment on this item  
 
Add to your NCETM favourites
Remove from your NCETM favourites
Add a note on this item
Recommend to a friend
Comment on this item
Send to printer
Request a reminder of this item
Cancel a reminder of this item

Comments

If you have any comments please contact us.