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Mind Math Genius - 2021 Edition

Day 1- Addition
Addition Intro
Number Basics
Adding Rows of Number
Order of Addition
Two Digit Addition
Three Digit Addition
Four Digit Addition
Checking Addition by Casting Out Nines - 1
Checking Addition by Casting Out Nines - 2
DAY 2 - Subtraction
Introduction to Subtraction
Two Digit Subtraction
Three Digit Subtraction
Special Subtraction
Subtracting Complimentary Numbers
Subtracting Numbers Around 100
Checking Subtraction by Casting Out Nines
DAY 3 - Multiplication (Part 1)
Introduction to Multiplication
Multiplication By 11 or 5
Matrix Multiplication
Complementary Multiplication - Below and Above 10
Complementary Multiplication - Below and Above 50
Complementary Multiplication - Below and Above 100
Complementary Multiplication - Below and Above 200
Complementary Multiplication - Below and Above 1000
DAY 4 - Multiplication (Part 2)
2 by 1 Multiplication
2 by 2 Multiplication
3 by 1 Multiplication
3 by 3 Multiplication
2 by 2 Multiplication - Addition Method
2 by 2 Multiplication - Subtraction Method
DAY 5 - Squaring (Part 1)
Squaring Numbers Ending in 4
Squaring Numbers Ending in 6
Squaring Numbers Ending in 9
Squaring Numbers Lower than 50
Squaring Numbers Greater than 50
Squaring Numbers Lower than 100
Squaring Numbers Greater than 100
Squaring Numbers Lower than 1000
Squaring Numbers Greater than 1000
DAY 6 - Squaring (Part 2) and Cubing
Squaring Numbers Ending in 1
Squaring Numbers Ending in 5
Squaring Numbers Near 100
Squaring 2 Digit Numbers
Squaring 3 Digit Numbers
Common Cubes
Two Digit Cubing
DAY 7 - Division
Introduction to Division
One Digit Division
Two Digit Division
Division of Numbers Ending in 0
Division of Numbers Ending in 5
Division by 5
Division of Even Numbers
Conclusion
Conclusion

Checking Addition by Casting Out Nines - 1

Mind Math Genius - 2021 Edition Day 1- Addition
By: Howard Berg
3 minutes
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