Materials: |
- 1 set of Fraction Action, Fraction
Friction cards
A deck of 16 Fraction Action, Fraction Friction cards
includes one card for each of the following fractions (for several
fractions there are 2 cards): 1/2, 1/3, 2/3, 1/4, 3/4, 1/6,
1/6, 5/6, 1/12, 1/12, 5/12, 5/12, 7/12, 7/12, 11/12, 11/12
- calculator
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Directions: |
Shuffle the Fraction Action, Fraction
Friction cards. Deal one card to each player. The
player with the fraction closest to 1/2 begins the game.
Players return their cards to the
deck. Shuffle the deck again. Place the pile facedown
between the players.
Players take turns. At each turn:
- The player takes a card from the top
of the pile and places it face up on the playing surface.
- At each turn, the player must
announce one of the following:
"Action!"
This means that the player wants an additional
card. The player believes that the sum of the cards is not
close enough to 2 to win the hand and that with an additional
card, there is a good chance that the sum of the cards will be
even closer to 2, without becoming greater than 2.
"Friction!"
This means that the player does not want an additional
card. The player believes that the sum of the cards is close
enough to 2 to win the hand and that with an additional card,
there is a good chance that the sum of the cards will be greater
than 2.
- Play continues until all players have
announced, "Friction!" or have a set of cards whose sum
is greater than 2. The player whose sum is closest to 2
without going over is the winner of the hand. Players may
check each other's sums on their calculators.
- Reshuffle the cards and begin
again. The winner of the game is the first player to win 5
hands.
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