Activities/Abacus/Worksheet: Difference between revisions

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== Fractions ==
== Fractions ==
Start Abacus [[File:Abacus-icon.png]],  
===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?  
===The Caacupé abacus===
Load the Caacupé abacus
It can represent negative whole numbers and fractions. 1/2 can be represented as 1 - 1/2 or 10 - 9 - 1/2
How many different ways can you represent 1/2 , 1/3, 2/3
How do you know when you have found them all?
Find all the ways to make 1/3 and 2/3


see the [[Activities/Abacus/Worksheet/Answersheet | answersheet]]
see the [[Activities/Abacus/Worksheet/Answersheet | answersheet]]