Friday, June 12, 2009

Making sandcastles in maths!



In maths this week we were practicing measuring using a ruler in cm.

We discussed how to draw an interesting sandcastle then we drew it on paper. Measuring with a yellow ruler we wrote down how long each line was in cm.

Unforunately, our sandcastles were too big to make a book with! So we had to half each measurement on our sandcastle to make it smaller.


We halved the numbers by:


  • counting on in 2s,

  • using cubes to share between two or

  • partitioning the numbers into tens and units.








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