Integer War
Here is a fun game that I have used in the past that is quick and gives students tons of practice adding integers. This card game is an interactive way to
reinforce the addition of integers. It
can also be modified to reinforce subtraction and multiplication. The kids love it and I love watching them enjoy integers (for a change). What I enjoy most of all is beating the student who has beaten all of the other students in the class and has an inflated ego.
Materials: Deck (or stack) of playing
cards for each pair of students
Rules:
•Students
should get into pairs.
•Using
a deck of playing cards, the students should divide the cards evenly among
themselves.
•The
red cards are negative and the black cards are positive. For example a red 10 is a negative ten. The
face cards are all 10s.
•The
players each lay their first card out simultaneously.
•The
first player to correctly give the sum of the cards gets to collect both cards
and put them in a separate stack.
•When
all of the players’ cards have been played, the players compare the stacks of
cards that they won to see which player has the largest stack. The player with the largest stack of “won”
cards is the winner.
•Similar
to the card game “I Declare
War” the students can continue playing with the stacks that they won or they
can evenly distribute the cards again.
Modifications
of this strategy are:
•Have
the pair of students place one card in the middle as
a stationary card. Then each player throws out a card.
This would make the students have to add 3
cards.
•Students
could use the same rules and multiply instead of
add.
•If
the teacher needed wanted to require the students to show
their work, then the
students could write the equation down
before the winner collected the cards.
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