List of tutorials

Beginner

• Squaring two and three digit numbers that end in 5.
• 25 x 25
• 45 x 45
• 115 x 115
• Multiplication of two or three digit numbers with 11.
• 23 x 11
• 57 x 11
• 663 x 11
• Multiplication of three digit numbers with 111.
• 213 x 111
• 355 x 111
• Multipliation of any two digit number with 99.
• 23 x 99
• 37 x 99

Intermediate (Phase II)

Expert (Phase III)