Trick 1:Quick Square Step1: If you need to square a 2 digit number ending in 5, you can do so very easily with this trick. Step2: Mulitply the first digit by itself + 1, and put 25 on the end. Step3:That is all! Step4: Ex:25 ie(2*(2+1))&25
Answer:625
Trick 2: Multiply by 5 Step1: Take any number, then divide it by 2 Step2:If the result is whole, add a 0 at the end. Step3: If it is not, ignore the remainder and add a 5 at the end. Step4: 2682 x 5 = (2682 / 2) & 5 or 0 Step5:2682 / 2 = 1341 (whole number so add 0) Step6: Ans:13410 Step7: Let’s try another:5887 x 5,2943.5 (fractional numbers (ignore remainder, add 5)
Answer: 29435
Trick 3: Tough Multiplication Step1: If you have a large number to multiply and one of the numbers is even, you can easily subdivide to get to the answer Step2:Ex:32 x 125, is the same as:
16 x 250 is the same as:
8 x 500 is the same as:
4 x 1000 = 4,000
Trick 4: Subtracting from 1,000 Step1:To subtract a large number from 1,000 you can use this basic rule: subtract all but the last number from 9, then subtract the last number from 10: Step2:Ex:1000-648 Step3: subtract 6 from 9 = 3 Step4: subtract 4 from 9 = 5 step5: subtract 8 from 10 = 2
Answer: 352
This is a funny tricks play of maths. Learn it with Fun!
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