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20 Cards
addition is harder as you are adding a large number to a small number. It is a leap of understanding at first.
Posted on: 04/07/2008
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0/5 (0 votes) (0 comments) |
By: LindaB
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9 Cards
doubling the number - the basic patterns
Posted on: 04/07/2008
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0/5 (0 votes) (0 comments) |
By: LindaB
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20 Cards
double the number up to 20. What different ways can you think about adding numbers up?
Posted on: 04/07/2008
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0/5 (0 votes) (0 comments) |
By: LindaB
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17 Cards
What different ways can you think about how to add up these numbers?
Posted on: 04/07/2008
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0/5 (0 votes) (0 comments) |
By: LindaB
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20 Cards 
addition with sum from 7 to 10, with the smallest number last.
Posted on: 04/07/2008
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0/5 (0 votes) (0 comments) |
By: LindaB
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