Activities/Abacus/Worksheet: Difference between revisions
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===The Caacupé abacus=== | ===The Caacupé abacus=== | ||
Load the Caacupé abacus | Load the Caacupé abacus [[File:Abacuscaacupe.jpg]] | ||
It can represent negative whole numbers and fractions. 1/2 can be represented as 10 - 9 - 2/3 + 1/6 | It can represent negative whole numbers and fractions. 1/2 can be represented as 10 - 9 - 2/3 + 1/6 | ||