Squaring 50s

Squaring numbers between 50 and 59 can be very easy if you know this nice little trick.

Look at the math problem 522 = ?

  • Square the one's digit..
    • 22 = 4. It needs to take up two digits so write down 04.
  • Add 25 to the one's digit.
    • 25 + 2 = 27.
    • Write down 27.

ANSWER is 2704.

Watch the math video below for a detailed explanation!

Practice Math Problems

  1. What is 542 = ?
  2. What is 592 = ?
  3. What is 572 = ?
  4. What is 512 = ?
  5. What is 552 = ?
  6. What is 532 = ?
  7. What is 582 = ?