Library›Subtraction Fluency›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaDifference

27 − 25

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Math & LogicOne small aha
Your new aha2

27 − 25 = 2. The difference tells you the gap between 25 and 27. Source: Subtraction ↗

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 Subtraction Fluency

A few more worth knowing.

  1. 38227 − 24RECALL
    3

    Mental subtraction

    Open this card ↗
  2. 38327 − 23RECALL
    4

    Mental subtraction

    Open this card ↗
  3. 38427 − 22RECALL
    5

    Mental subtraction

    Open this card ↗