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Activities/Abacus/Worksheet/Answersheet (view source)
Revision as of 22:58, 4 April 2011
, 22:58, 4 April 2011→Answers to the Abacus Worksheet
[[File:Abacus1of2.jpg]][[File:Abacus2of4.jpg]] [[File:Abacus3of6.jpg]] [[File:Abacus4of8.jpg]] [[File:Abacus5of10.jpg]] [[File:Abacus6of12.jpg]]
[[File:Abacus1of2.jpg]][[File:Abacus2of4.jpg]] [[File:Abacus3of6.jpg]] [[File:Abacus4of8.jpg]] [[File:Abacus5of10.jpg]] [[File:Abacus6of12.jpg]]
To make 1/2 just using one string, the fraction denominator must be divisible by 2. The string must contain an even number of beads, 2 4 6 8 10 12
Ways to make 1/2 with more than one string
Ways to make 1/2 with more than one string
1/3 + 1/6
1/3 + 2/12
1/4 + 1/6 + 1/12
1/4 + 2/8
1/4 + 3/12