Difference between revisions of "Activities/Abacus/Worksheet/Answersheet"
< Activities | Abacus | Worksheet
Jump to navigation
Jump to search
Tonyforster (talk | contribs) |
Tonyforster (talk | contribs) |
||
| Line 3: | Line 3: | ||
[[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 | ||
Revision as of 23:58, 4 April 2011
Answers to the Abacus Worksheet
Ways to make 1/2 just using one string
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
1/3 + 1/6
1/3 + 2/12
1/4 + 1/6 + 1/12
1/4 + 2/8
1/4 + 3/12