LibraryMental SquaresOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaSquare

67²

Think it. Then flip it.
ahamoraTap to reveal
Back to the cue
Math & LogicOne small aha
Your new aha4489

67² means 67 × 67, which is 4489. The exponent tells you how many copies to multiply. Source: Square (algebra)

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Mental Squares

A few more worth knowing.

  1. 6868²RECALL
    4624

    68 × 68

    Open this card ↗
  2. 6969²RECALL
    4761

    69 × 69

    Open this card ↗
  3. 7070²RECALL
    4900

    70 × 70

    Open this card ↗