### 00h 38m

Squaring swiftly- Squaring – Numbers close to Power of 10 - Part 105m 31s
- Squaring – Numbers close to Power of 10 - Part 203m 43s
- Squaring – Numbers close to Multiples of Power of 10 - Part 103m 52s
- Squaring – Numbers close to Multiples of Power of 10 - Part 303m 06s
- Squaring – Numbers close to 5003m 55s
- Squaring – Any Two Digit Number04m 23s
- Squaring – Any Three Digit Number03m 05s
- Squaring – Any Four Digit Number04m 17s
- Squaring – Numbers ending with 503m 37s
- Squaring – Using Identities03m 06s