the abacus.
http://condor.depaul.edu/~sjost/isp121/documents/abacus.gif
The Abacus.
First, you need to learn chinese. Then, hopefully, when you are studying chinese, you will learn chinese math.
It is "a pair of compasses" - usually called a compass.
because they like math
math geography and Chinese language
Abacus. Beads that can be shuffled back & forth on strings in a frame. Can be really effective in the hands of a skilled user.
racimar
English, Chinese, Math, Physics, and Chemistry.
The chinese.
nope India
Playing an instrument has been attributed to better problem solving skills. This is very helpful in the solving of complex math equations. For this reason and many more Learning an instrument is beneficial to young minds.
Rulers, trundle wheels