2,486
edits
Changes
Jump to navigation
Jump to search
Line 1:
Line 1: − + Line 25:
Line 25: + + + + + + + + + + + + + +
→Fractions
== Fractions ==
== Fractions ==
Start Abacus [[File:Abacus-icon.png]],
===The Fraction abacus===Start Abacus [[File:Abacus-icon.png]],
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]]