There is a column of multiples for each number O to 9. Fill in the blanks. Carefully cut out each column . To perform the multiplication 63 times 6, choose the 6 rod and the 3 rod and placed them beside each other. The x rod is then placed next to them and the answer is read from the position of the 6 on the x rod.
Diagonal numbers have to be added.
Then add the two answers. Try 29 x 32 5. Try 29 x 86 6. Try 29 x 79 7. Make up another two digit multiplications.