The Original Triangle Flash Cards - Addition & Subtraction - 20 Per Set - 3 Sets Art & Crafts>>Styrofoam Arts>>Styrofoam Sheets All tricycles can be used

All tricycles can be used with a trailer

Fun to wear indoors or out

You have to be quick

making it an ideal size for bulletin boards

Kids learn how to balance and counterbalance

The Original Triangle Flash Cards - Addition & Subtraction - 20 Per Set - 3 Sets Art & Crafts>>Styrofoam Arts>>Styrofoam Sheets All tricycles can be usedEliminate 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? For 2 or more players. Each card displays eight problems four are addition and four are subtraction. Relationship between addition and subtraction facts is emphasized. Students will gain efficiency in memorizing.