Mental Math - Class #4 | How to Subtract a One Digit Number from a Two-Digit Number (English)

Channel:

Obsidian Soft

Subscribers:

10,100

Published on March 24, 2021 6:29:29 PM ● Video Link: https://www.youtube.com/watch?v=YH6NCBPPzD0

Category:

Tutorial

Duration: 9:35

790 views

42

This is Class #4 of my Mental Math videos series. The purpose of this video is to help everyone including children do math in their brain. In this class, I am telling a trick by which you can subtract a one-digit number from a 2-digit number faster in your brain. This class is dependent on a trick taught in Class #1 and Class #2 so have a look at
Class #1:
https://youtu.be/apBdhK4Z-E8
Class #2:
https://youtu.be/m_VSAvLIJoc

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:
https://obsidiansofteducation.blogspot.com/p/mental-maths.html

FREE worksheets for practicing mental math for Class #1 and Class #2:
https://obsidiansofteducation.blogspot.com/2021/02/mental-math-add-subtract-1digit.html

I hope you like this video. Please share it with your friends and family.
Happy Learning 😊.
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