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Number Week 1

Subtraction 

 

This month we will be learning how to subtract starting with:

  • TU block sums (sometimes referred to as chimney sums)
  • HTU block sums
  • HTU block sums using decomposition borrowing tens
  • HTU block sums using decomposition borrowing hundreds
  • HTU block sums using decomposition borrowing tens & hundreds

 

Decomposition means: breaking a problem/sum into smaller parts to make it easier.

 

Watch the video below, then try the worksheets.

 

 

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