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 = ?