✨Arthur Benjamin, a math magician, combines math and magic to perform impressive calculations.
🔢Multiplying by 11 is easy - simply add the digits of the number and place the sum in the middle.
🔀Squaring numbers can be done mentally. For numbers ending in 5, the answer always ends in 25.
🧠To square a two-digit number, find the nearest easy number and adjust accordingly.
🧙♂️With practice, you can mentally square three-digit numbers and even tackle larger calculations.
What is math magician Arthur Benjamin known for?
—Arthur Benjamin is known for combining his love for math and magic to perform impressive calculations.
How do you easily multiply by 11?
—To multiply by 11, add the digits of the number and place the sum in the middle.
What is the trick to squaring numbers?
—For numbers ending in 5, the answer always ends in 25. For other numbers, find the nearest easy number and adjust accordingly.
Can you square two-digit numbers mentally?
—Yes, by finding the nearest easy number and adjusting accordingly, you can mentally square two-digit numbers.
Can you mentally square larger numbers?
—With practice, you can mentally square three-digit numbers and even tackle larger calculations.
00:04Arthur Benjamin is a math magician who combines math and magic to perform impressive calculations.
00:12Multiplying by 11 is easy - simply add the digits of the number and place the sum in the middle.
01:46Squaring numbers can be done mentally. For numbers ending in 5, the answer always ends in 25.
03:55To square a two-digit number, find the nearest easy number and adjust accordingly.
06:01With practice, you can mentally square three-digit numbers and even tackle larger calculations.
