Speed16 Academy

1.2 How to use this Video Course?

2.0 Introduction to Base Method

Quiz: Case 1

2.2 Case 2: Base Method (When Both numbers are above Working Base)

Quiz: Case 2

2.3 Case 3: Base Method (When one number is below and another is above Working Base)

Quiz: Case 3

2.4 Case 4: Base Method (Two Different Working Bases)

Quiz 4: Case 4

2.5 Case 5: Base Method (Not nearer to Working Base)

3.2 Criss - Cross (3×3)

3.3 Criss - Cross (4×4)

3.4 Criss - Cross (5×5; 6×6 and Higher)

4.1 Multiplication by Repeating 9s (×99; ×999; ×9999;×99999; etc.)

4.2 Multiplication when Final Digits Added up gives Power of 10

4.3 Multiplication by 11

4.4 Multiplication by 12

4.5 Multiplication by 5, 25 and 125

4.6 Miscellaneous Examples

5.0 Introduction to Division

6.1 Introduction to Vinculum Numbers

6.2 Division (using Transpose and Apply - Above Working Base)

6.3 Division (using Transpose and Apply - Above Working Base - Some More Examples)

6.4 Division (using Transpose and Apply - Below Working Base)

7.1 Division (using Flag Method)

8.1 Addition using Purification

8.2 Addition (Using Bases)

9.1 Subtraction using "All from 9 and Last from 10"

9.2 Subtraction using Purification

9.3 Subtraction (using Bases)

10.3 Squares (Using Complements)

10.4 Squares (Using Criss Cross Method)

11.1 Introduction to Square Roots

11.2 Case 1: Square Roots of Perfect Square Numbers

11.3 Finding Duplex of Numbers

11.4 Case 2: Square Roots of Perfect and Imperfect Square Numbers

12.1 Cubes (Using Surpluses)

12.2 Cubes (Using Complements)

12.3 Cubes (using Proportionately)

12.4 Cubes of Bigger Numbers (using Criss Cross Method)

13.1 Introduction to Cube Roots

13.2 Cube Roots of Perfect Cube Numbers

14.1 Introduction to Digit Sums

14.2 Digit Sums (Addition)

14.3 Digit Sums (Subtraction)

14.4 Digit Sums (Multiplication)

15.1 Divisibility Rules (1 to 10)

15.2 Introduction to Negative Osculators

15.3 Checking Divisibility using Negative Osculators