The Original Triangle Flash Cards Addition & Subtraction
The Original Triangle Flash Cards Addition & Subtraction Game
Players 2 or more
Aligns with Common Core and State Standards
The Original Triangle Flash Cards Addition & Subtraction Game teach basic addition and subtraction facts. Learn addition facts and relationship between addition and subtraction.
Eliminate memory overload and learn 4 math facts on each side of a card! Triangle Flash Cards teach families of facts, showing the relationship between addition and subtraction. How is 4 in one corner related to 7 and 3 in the other corners? Cover the sum, in red, and practice addition: 4 + 3 = 7 or 3 + 4 = 7. Cover one of the addends, in black, and practice subtraction: 7 - 4 = 3 or 7 - 3 = 4. A total of 20 cards aid mastery of 160 math facts up to 9 + 9 and 18 - 9. Also available for multiplication and division.
What's in the Box?
20 Flash Cards, Instructions