After building a strong foundation with Stage-1 & Stage-2, it is more about challenging the Brain further in Stage-3. It includes Addition & Subtraction mix sums, with upto 3-digit numbers. This will enhance the Brain Exercise & make it more alert. Multiplication sums too move a notch higher with 3-digit x 1-digit sums included in Stage-3.
 
Division on Abacus is also introduced in Stage-3. Again.....it is a simple procedure. I have shared the videos explaining the procedure here: https://www.ankmitra.com/abacus-videos
 
The PDF is to be printed on normal A4 size sheets in Landscape mode (horizontal mode), single side printing. You will need 28 sheets for Stage-3 workbook.
 
The Answer Key has been provided to make it very convenient to check the accuracy of the answers after solving the sums. This will save a lot of time for the Parent/Teacher & also help improve Accuracy for the student by correcting the mistakes in time.