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Activities/Abacus/Worksheet
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Revision as of 04:59, 4 April 2011
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04:59, 4 April 2011
→Fractions
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== Fractions ==
== Fractions ==
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Start Abacus [[File:Abacus-icon.png]],
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===The Fraction abacus===
Start Abacus [[File:Abacus-icon.png]],
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How do you know if you have found all the solutions?
How do you know if you have found all the solutions?
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===The Caacupé abacus===
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Load the Caacupé abacus
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It can represent negative whole numbers and fractions. 1/2 can be represented as 1 - 1/2 or 10 - 9 - 1/2
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How many different ways can you represent 1/2 , 1/3, 2/3
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How do you know when you have found them all?
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Find all the ways to make 1/3 and 2/3
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see the [[Activities/Abacus/Worksheet/Answersheet | answersheet]]
see the [[Activities/Abacus/Worksheet/Answersheet | answersheet]]
Tonyforster
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