TIPS how to calculate math faster(3)

Now how to count 35² ,45² ,55² ,65²,75²… faster than traditional method.

35² ;

Add 1 to 3 = 4, then multiply the answer by 3 = 12

Then simply just put 25 after

12.. = 1225.

45² ; add 1 to 4 = 5, then multiply the answer by 4 = 20.

Then simply just put 25 after 20.. = 2025

How about 995²?

Same method: add 1 to 99 = 100, then multiply the answer by 99 = 9900

Then simply just put 25 after 9900.. = 990025

Easy right?

Remember practice makes perfect.

All the best for you!!!