Page 10 - TP_Ai_Class_2
P. 10

Early Counting Tools



                  Since ancient times, people have invented tools for calculations. Early man tied

                  knots in a rope and carved marks on clay to keep the records.



























                  They also used to count with the help of fingers, toes, stones, sticks, pebbles,
                  bones, etc.









































                                                         Early Counting Tools



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