Number trick with 1089The number trick with 1089 has been around for centuries. To impress someone with this trick, he or she will need paper and pencils: Here is how it goes: Step #1: Have the person write down any three digits number with decreasing digits (432 or 875). Step #2: Reverse the number you wrote in step #1. Step #3: Subtract the number obtained in step #2 from the number you wrote in step #1 Step #4: Reverse the number obtained in step #3 Step #5: Add the numbers found in step #3 and step #4 Example #1: Step #1: Have the person write down any three digits number with decreasing digits: 752 Step #2: Reverse the number you wrote in step #1: 257 Step #3: Subtract the number obtained in step #2 from the number you wrote in step #1: 752  257 = 495 Step #4: Reverse the number obtained in step #3: 594 Step #5: Add the numbers found in step #3 and step #4: 495 + 594 = 1089 Example #2: Step #1: Have the person write down any three digits number with decreasing digits: 983 Step #2: Reverse the number you wrote in step #1: 389 Step #3: Subtract the number obtained in step #2 from the number you wrote in step #1: 983  389 = 594 Step #4: Reverse the number obtained in step #3: 495 Step #5: Add the numbers found in step #3 and step #4: 594 + 495 = 1089 Example #3: Step #1: Have the person write down any three digits number with decreasing digits: 210 Step #2: Reverse the number you wrote in step #1: 012 Step #3: Subtract the number obtained in step #2 from the number you wrote in step #1: 210  012 = 198 Step #4: Reverse the number obtained in step #3: 891 Step #5: Add the numbers found in step #3 and step #4: 198 + 891 = 1089 This number trick with 1089 works with any 3 digits number as long as you choose a number with decreasing digits in step #1 So, it does not matter what number the person choose in step #1, have the person do the math and pretend you are not looking. When you call the answer as 1089, the person will be shocked! Cool! 




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