Take out all of the 10, J, Q, K cards.
Place face up in the center, an Ace, 2, 3, 4, 5, 6, 7, 8, 9. Then place the rest of the cards in a stack face down. wins.
Take turns flipping over a card. The first person to grab the other card that "makes 10" gets to keep that card. That means the number that will equal 10 when added to the card that was flipped over that. Continue until all face up cards have been grabbed. The person with the most cards wins.
Lay out 2 - 10 face up, and remove the A, J, Q, K. Take turns flipping over a card one at a time and grab the card that is the same number.