Multiplying Any 2 Digit Numbers In 3 Seconds Fast Math Tricks
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Plant Reproduction Multiplication of any two digit number in 3 seconds | fast math tricks | competitive examscan you solve this in 3 seconds?62×74= ?89×94= ?the answer is yes i. In this math trick video we look at an easy way to multiply numbers where the ten’s digit is the same and the one’s digit adds up to 10. example: to find 52 × 58. take the ten’s digit and multiply it by the next highest number. 5 × 6 = 30. next, multiply the one’s digit. 2 × 8 = 16. the answer is 3016.
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The Multiplying 2 Digit By 1 Digit Numbers Large Print A Math #fastmathtricks#mentalmath#mathtrick using this math trick for fast calculation you will be able to multiply any pair of three digit numbers with each other. Crisscross system of multiplication. case 1: multiplying a 2 digit number by a 2 digit number. example: 43 × 12. step 1: we multiply the digits in one’s place, that is, 3 × 2 = 6. we write 6 in the ones place of the answer. step 2: now, we cross multiply and add the products, that is, (4 × 2) (3 × 1) = 10. we write the 0 in the tens. 2 digit multiplication short tricks for fast calculation | multiplication short trick for all exam our previous video percentage full topic youtu. We want to find 47*84. 1, multiply the two inner digits together. 7*8 = 56. 2, multiply the two outer digits together and add this to the previous result. 4*4 56 = 72. 3, multiply this result by 10. 72*10 = 720. 4, multiply the right digit of both numbers and add this to the previous result. 7*4 720 = 748.
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Math Trick For Multiplying 2 Digit 3 Digit Numbers Video L 2 digit multiplication short tricks for fast calculation | multiplication short trick for all exam our previous video percentage full topic youtu. We want to find 47*84. 1, multiply the two inner digits together. 7*8 = 56. 2, multiply the two outer digits together and add this to the previous result. 4*4 56 = 72. 3, multiply this result by 10. 72*10 = 720. 4, multiply the right digit of both numbers and add this to the previous result. 7*4 720 = 748. This is especially fast for numbers near to $50$ or $500$ or $5000$ and so on. i can do squares of numbers near $500$ in about 2 seconds this way. example: $46^2=50*42 4^2$, further simplified if one simply remembers $50^2=2500$ and therefore that $50*42=2500 400$. Download article. 1. find the average of the two factors you are multiplying. to find the average, add both numbers together, then divide by 2. you can also think of this as the number that both factors are equidistant from. [1] note that this method only works if the average of the two factors is a whole number.
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