Adding 3 digit numbers in the mind | Adding 3-digit numbers fast | Mental Math - Class #9

This is Class #9 of my Mental Math videos series. The purpose of this video is to help everyone including children do maths in their brain. In this class, I am telling a trick by which you can add three digit numbers. This class is dependent on a trick taught in Class #1 so have a look at Class #1 here: Class #1: https://youtu.be/apBdhK4Z-E8 After watching this video, learn the answers to the following sums to improve your mental math starting from day 1: 1+1=2, 1+2=3, 1+3=4, 1+4=5, 1+5=6, 1+6=7, 1+8=9, 1+9=10 2+2=4, 2+3=5, 2+4=6, 2+5=7, 2+6=8, 2+7=9, 2+8=10 3+3=6, 3+4=7, 3+5=8, 3+6=9, 3+7=10 4+4=8, 4+5=9, 4+6=10 5+5=10 Get the Links to my FREE Mental Math app for Android and iOS: Google Play Store: https://play.google.com/store/apps/details?id=com.obsidiansoft.android.mentalmaths iOS: https://apps.apple.com/gb/app/mental-maths-train-your-brain/id1499208866 FREE worksheets for practicing mental math: https://obsidiansofteducation.blogspot.com/2021/02/mental-math-add-subtract-1digit.html https://obsidiansofteducation.blogspot.com/2021/03/mental-math-adding-and-subtracting-two.html FREE printable flash cards for practicing single digit addition facts: https://obsidiansofteducation.blogspot.com/2021/07/additionFlashCardsNumberBonds.html I hope you like this video. Please share it with your friends and family. Happy Learning 😊. Please like my Facebook page and Instagram page for more educational resources. Facebook: https://www.facebook.com/ObsidianSoft/ Instagram: https://www.instagram.com/obsidiansoftapps/ For questions: contact me at obsidiansoftc@gmail.com Intro and ending music from iMovie and Filmora #mentalmath #addingthreedigitnumbers #mentalmathtricks #mentalmath #mentalarithmetic #domathsinyourbrain #improvebrain #obsidiansoftapps #mathstips #mathstechniques #mathstutorials #mathsclasses #improvemaths #mathematics #boostbrain #domathsinyourbrain #addonedigitnumbers #addtwodigitnumbers #adding #add #addingnumbers #addingintegers #addition #addingtwodigitnumbers #mentaladdition #addingonedigitnumbers #mentalmathclasses #mentalmathclass #freementalmathclass #freementalmath #addingnumbersmentally #mentalmathsaddition #mentalmathaddition #addingthreedigitnumbers #adding3digitnumbers #addingthreedigitnumbersfast #addingthreedigitnumbersinbrain

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