Library›Subtraction Fluency›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaDifference

8 − 3

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Math & LogicOne small aha
Your new aha5

8 − 3 = 5. The difference tells you the gap between 3 and 8. 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. 438 − 2RECALL
    6

    Mental subtraction

    Open this card ↗
  2. 448 − 1RECALL
    7

    Mental subtraction

    Open this card ↗
  3. 458 − 0RECALL
    8

    Mental subtraction

    Open this card ↗