OFF THE WHISTLE: How to square 2-digit numbers? ????

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Estude Matemática

Published on Premiered Apr 6, 2024
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???? ADD YOUR NAME TO THE MENTAL CALCULATIONS COURSE LIST: ???? https://estude.link/listacm-yv ↓ ???? PRODUCTS FOR MATH ENTHUSIASTS: ???? https://estude.link/amazon ↓ ????️ ESTUDE MATEMÁTICA ONLINE STORE: ???? https://estude.link/loja ↓ This video has two objectives: 1) to present you with four strategies for calculating in your head the square of any two-digit positive integer; 2) to explain why each of these four strategies works! If you are truly a Math enthusiast, I DOUBT you will not be enchanted! Enjoy! ???????????? ↓ Chapters: 0:00 Introduction and tools 2:42 2-digit numbers ending in zero 5:57 2-digit numbers ending in 5 12:37 2-digit numbers starting with 5 19:04 All other 2-digit numbers ↓ Chief enthusiast: @professorgustavoreis ↓ All links at https://estudematematica.com.br/links ↓ #estudematemática #mathematics #mathematics #basicmathematics #mentalcalculus #squares

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