Library›Subtraction Fluency›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaDifference

10 − 3

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Math & LogicOne small aha
Your new aha7

10 − 3 = 7. The difference tells you the gap between 3 and 10. 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. 6410 − 2RECALL
    8

    Mental subtraction

    Open this card ↗
  2. 6510 − 1RECALL
    9

    Mental subtraction

    Open this card ↗
  3. 6610 − 0RECALL
    10

    Mental subtraction

    Open this card ↗