Library›Multiplication Fluency›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaProduct

10 × 10

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Math & LogicOne small aha
Your new aha100

10 groups of 10 make 100. Reversing the factors, 10 × 10, gives the same product. Source: Multiplication table ↗

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 Multiplication Fluency

A few more worth knowing.

  1. 16210 × 11RECALL
    110

    Mental multiplication

    Open this card ↗
  2. 16310 × 12RECALL
    120

    Mental multiplication

    Open this card ↗
  3. 16410 × 13RECALL
    130

    Mental multiplication

    Open this card ↗