trick to do multiplication of number between 90 to 200

trick to do multiplication of number between 90 to 100

90 to 100 multiplication  step1

Find the number by differentiating the number with 100 and do it for both the factor
eg. 100-92=8

step 2

multiply the both  answer you got in the step 1
eg.92=8 and 99=1 then multiply 8 and 1 to each other the answer u get is 8 now write it in the answer 

Step 3

now subtract the number with the opponent
eg. 92=8 and 99=1 then subtract 92-1 or 99- 8 and then write the answer

step 4 

now u will get the ans like this eg 91  8 so then in the between write 0 in the gap 

Fill in the Blanks

97x92 and do it with my step wich u learnd today

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