Guess+My+Number

Guess My Number

 * Activity Type:** addition and subtraction
 * Grade:** 1, 2, 3
 * Group Size:** any
 * Length:** varies
 * Materials:** deck of cards
 * Goal:** math facts

__Two Players__ 1. When playing with two players, each player sits facing each other. 2. The two players are the guessers. Those two players choose one card from the deck and place them down without looking at their cards. 3. To start the game the two guessers then put their card up so that the other player can see, making sure that they cannot. 4. Now the two players can only see each others' cards. 5. The first player gives the other player a math fact. 6. That player then guesses what number he is holding up. 7. If he gets it right, he gets to keep his card. If not he returns it to the discard pile. 8. The player with the most cards wins.
 * What to do**

__Three Players:__ 1. When playing with three players, have two players sit facing each other. While the third player sits so he can see the other two players. (like in a triangle shape) 2. The two players who are facing each other are the guessers. Those two players choose one card from the deck and place them down without looking at their cards. 3. To start the game the two guessers then put their card up so that the third player can see, making sure that they cannot. 4. Now the two players can only see each others' cards. 5. The third player tells the two players what the sum of the two cards are. 6. By knowing the sum they can figure out what their card is by using subtraction. 7. If his guess is right, he gets to keep his card. If not he returns it to the discard pile. 8. The player with the most cards wins.