LibrarySubtraction FluencyOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaDifference

7 − 1

Think it. Then flip it.
ahamoraTap to reveal
Back to the cue
Math & LogicOne small aha
Your new aha6

7 − 1 = 6. The difference tells you the gap between 1 and 7. 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. 367 − 0RECALL
    7

    Mental subtraction

    Open this card ↗
  2. 378 − 8RECALL
    0

    Mental subtraction

    Open this card ↗
  3. 388 − 7RECALL
    1

    Mental subtraction

    Open this card ↗