International forum: Education - how to used abacus?
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19 Jun 2014 10:45

This is also used as substitute in calculator,
Do you know how to use it?

19 Jun 2014 11:05

Nop

19 Jun 2014 20:39

yeah..abacus is 1 of d 0ldest calculat0r that has been invented..u just need to gr0up d thngs that u g0in to use as an abacus into c0lor or shape then u do additi0n or subtracti0n using by it..
e.g.
5+5=10
u c0unt 5 thngs fr0m color red then separate,then u c0unt an0ther 5thngs frm c0lor blue then mix it and c0unt h0w many all of th0se thngs..whch is ten ofc0urse..
using abacus is 1 of the effective way of teachng kids 0n grade 1 in c0unting,adding and subtracting numbers.

20 Jun 2014 04:19

Quote by quiete
yeah..abacus is 1 of d 0ldest calculat0r that has been invented..u just need to gr0up d thngs that u g0in to use as an abacus into c0lor or shape then u do additi0n or subtracti0n using by it..
e.g.
5+5=10
u c0unt 5 thngs fr0m color red then separate,then u c0unt an0ther 5thngs frm c0lor blue then mix it and c0unt h0w many all of th0se thngs..whch is ten ofc0urse..
using abacus is 1 of the effective way of teachng kids 0n grade 1 in c0unting,adding and subtracting numbers.

Thanks

20 Jun 2014 04:22
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20 Jun 2014 06:47

my grandma uses abacus as feet massager

20 Jun 2014 06:50

Quote by FruitsPunchSamurai
my grandma uses abacus as feet massager


Wow!
Many purposes of abacus?

Edited by clixsters / 20 Jun 2014 06:52