Printable Subtracting 2 Flash Cards
Subtracting 2 is two steps back — and, like adding 2, it keeps the even-odd rhythm, so 11 − 2 must land on an odd number. These fold-over flashcards cover 3 − 2 through 14 − 2.
How to Use These Flash Cards
Count back two, or think addition: 12 − 2 asks 2 + what makes 12. Cards crossing ten downward (11 − 2, 12 − 2) get the attention — coming back across ten is the mirror of the crossing that make-ten practiced upward. Use the parity check as the free verifier on every flip.
How to Cut and Fold
- Print the PDF single-sided on plain paper or light cardstock.
- Cut along the solid lines to separate the cards.
- Fold each card along the dashed center line so the answer sits behind the question, and turn the card over like a page to check.
- Optional: a dab of glue inside the fold makes a sturdy double-thick card.
Frequently Asked Questions
How does even and odd help with subtracting 2?
Taking 2 away never changes parity: 13 − 2 must be odd, so an answer of 10 is instantly wrong. It is the same free check the +2 deck uses, running in reverse.
Is counting back reliable for −2?
Yes — two backward hops is comfortably accurate. Like counting on, it degrades fast beyond three steps, which is why the bigger subtraction families switch to think-addition.
What is the fact family for 14 − 2?
14 − 2 = 12, 14 − 12 = 2, 12 + 2 = 14, and 2 + 12 = 14 — four facts, one relationship. Flashcards on any one of them quietly strengthen the other three.