Uncover Mind-Blowing Number Tricks
Discover the intriguing number magic behind popular tricks like adding, doubling, halving, and subtraction. Explore how manipulating numbers can lead to surprising results in this fascinating world of mathematical illusions.
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Presentation Transcript
HOW DOES THE NUMBER TRICK WORK? Your chosen number Add 3 Double Add 4 Halve Take away n n n + 3 2n + 6 2n + 10 n + 5 5
MY TRICK Choose a number. Multiply by 2. Add 10. Divide by 2. Subtract the number you started with. 1 Try again? 8 9 4 10 5 14 7 3 2 6 11 15 12 13
Choose a number. Multiply by 2. Add 26. Divide by 2. Subtract the number you started with. 1 8 9 4 10 5 14 7 3 2 6 11 15 12 13
HOW? your number: multiply by 2: add 10: divide by 2: subtract ?: ? 2? 2? + 10 ? + 5 5 Same with 26 and 13
