Silly Numbers - Adding and Subtracting to 100

With these fun quartet games, children automate their skills through play.
Find the opponent who has your missing quartet cards. If you solve the sum correctly, you get the card.
You can check the solution with the magic envelope.

Learning to add and subtract up to 100 better through play.

With 76 quartet cards, magic envelope and rules of the game.

For 1-4 players or teams. Also suitable for independent practice.