Card games can be used to reinforce mathematical concepts like less than, greater than, addition, subtraction, multiplication, division, fractions, negative numbers, absolute value, and problem solving.
Playing cards are very popular in children environments, and they are even taken to school for play in their spare time.
You will need several decks of mathematical cards. Do not rush to look for them in the school store or try to order them through your favorite catalog. Mathematical cards are normal cards with the J, Q, K and wild cards removed.
Make a deck of cards for each player. A mathematical deck contains 40 cards, so a single game of Addition Wars allows the child to solve 20 problems, and he hears his opponent solve 20 more, and if your children are like mine, they are unlikely to want to stop the game at the end with the letters
While your students memorize the arithmetic results, they may need extra practice with those that are more difficult like 6 × 8. However, with a regular deck, I have seen that too many easy problems appear, like 1 × 9 or 2 × 7. To offer a bigger challenge for older children, make a double deck of cards for each player, but remove the aces, twos, and tens. This gives each player decks of 56 cards with the most challenging problems.
Each player takes a deck of cards, all face down, and reveals a card. The player with the highest number wins the battle, placing the card and the captured cards in the prisoners' pile. Whenever there is a tie for the higher card, all the players battle: each player draws three covered cards and one uncovered one. The largest of these new uncovered cards captures everything on the table. Since all the players participate, someone who had a low card in the first match could, in the end, win the battle. If a draw occurs again, the battle pattern of 3 covered and 1 uncovered card is repeated until someone breaks the tie. The player who wins the battle captures all the cards played that turn.
This is an old classic children's game. It amazes me how such simple things can keep children occupied for hours. In our case, since the decks of mathematical cards only have 4/5 of the cards of a regular deck, we give each player their own deck to shuffle instead of handing out a single deck of regular cards shuffled among all the players.
We do not join and shuffle all the decks together at the start of the game, although I suppose we could. This would be more similar to the traditional game, which (at least in our house) is usually played with a single deck shuffled and distributed among the players.
When the players have battled to finish the entire deck, the prisoners are counted. Whoever has captured the most cards wins the game. Alternatively you can shuffle the cards obtained by each player and continue the game until someone obtains such a large number of prisoners that the other players surrender
In case of a tie, the cards are placed in a central stack. The next battle is played normally, without taking cover cards, and the winner of that battle takes the central stack as well.
Players turn up two cards for each skirmish. The highest sum wins.
Turn up three (or four) cards for each skirmish and add them together.
Players turn up two cards and subtract the smaller number from the larger. This time, the greatest difference wins the skirmish.
Turn up two cards and multiply.
Turn up three (or four) cards and multiply.
Players turn up two cards and make a fraction, using the smaller card as the numerator. Greatest fraction wins the skirmish.
Turn up two cards and make a fraction, using the larger card as the numerator. Greatest fraction wins.
Black cards are positive numbers; red cards are negative. The greatest sum wins.
Black cards are positive numbers; red cards are negative. The greatest product wins. Remember that two negative numbers make a positive product.