1. 35 x 23 = ?
2. 47 x 13 = ?
3. 72 x 39 = ?
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Tuesday, July 2, 2013
Multiplication Algorithm
For maths we are working on multiplication and division. For the last few sessions we have been trying to master the "Multiplication Algorithm". It's a really effective way to multiple double digit numbers by double digit numbers, It has been really fun and easy enough to learn. It is linked to the strategy "Cross Products" where you times the ones of the first number by the ones and the tens of the second number, and then the tens of the first number by the ones and the tens of the second number then you add the results up together. Go on why don't you try one?
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Hey Jethro,
ReplyDeleteGreat blog post. Are you able to show us an example of how to do one? It would be great to see how you work these out.
Mrs Bradshaw
Room 2
Ross Int
NZ