WebSep 19, 2024 · Bonus trick: Multiplying numbers by 9 is easy. Simply multiply the number by 10, and subtract the original number. For instance, say you want to multiply 9 x 17. … WebSep 19, 2024 · Let’s start with the classic “Pick a number, any number!” trick. Ask a student to follow these steps: Pick any number (We’ll use 73). Add 3 (73 + 3 = 76). Double the result (76 x 2 = 152). Subtract four (152 – 4 = 148). Divide that number in half (74). Subtract your original number (74 – 73 = 1). The answer is always 1!
3 Ways to Do a Simple Number Mind Trick - wikiHow
Webगजब की Square Root Short Trick SSC CGL UPSC Exam #maths #tricks #shorts #ssccgl #upsc #examWhich number is largest?Find difference between square root nu... WebType out the first 3 numbers of her phone number. Multiply it by 80. Add 1. Multiply by 250. Add the last 4 numbers. Add the last 4 numbers again. Subtract 250. Tell her to look at … crystal wine glasses manufacturers
Question 31/Number series/ Intelligence Test/ Maths tricks # ...
WebApr 14, 2016 · 1.6M views 6 years ago Maths Tricks Phone Number 10 Digits Magic Math Guessing Trick Revealed - Trick To Amaze Your Friends - Math Tricks Magic - I Can Guess Your Mobile Phone... WebMay 4, 2007 · 1. Grab a calculator. (you won't be able to do this one in your head) 2. Key in the first three digits of your phone number (NOT the area code) 3. Multiply by 80 4. Add 1 5. Multiply by 250 6. Add the last 4 digits of your phone number 7. Add the last 4 digits of your phone number again. 8. Subtract 250 9. Divide number by 2 Do you recognize ... WebNov 30, 2024 · Find a calculator and type in the first three digits of your phone number. Multiply that number by 80. Add 1. Multiply the new number by 250. Now add the last four digits of your phone number. Go ahead and add those same four digits one more time. Subtract 250. What is the greatest trick in mathematics? 15 Math Tricks for kids. … crystal wine glasses wayfair