Soroban - In Japanese, the abacus is called __________________., Salamis - __________________ is the oldest surviving counting board., Tally Stick - A _________________ is a piece of wood, bone or any object in which small notches are cut., Exchequer - The __________________ got its name from the checkered cloth that covered a counting board used in England around 1100 C.E., Suan-Pan - The abacus, called ______________ in Chinese, already in use in China by around 1200 C.E. was already in use in China by around 1200 C.E., Schoty - In Russia, the abacus called ______________ appeared in the 17th century. It has a pair of human hands as the basis for its design., Abacus - Blind children are taught to use the _______________as a manual calculator., 2/5 - The Chinese Abacus is also called a ______________ style abacus, Rosary - The ________________________ is an example of a knotted string., Beda - __________________ described an ancient counting system that used different finger positions to represent the numbers 1 to 10,000.,

Activity 4: Early Counting Device

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