To play FDP Pelmathism (for Fractions, Decimals and Percentages), shuffle the cards and place them face down on a table, either in rows and columns or just spread out. Players take turns to turn over 2 cards. Whenever the cards match, the player keeps the pair and gets another chance to turn  over 2 cards. If the cards don’t match, they are turned face down keeping the same positions and the next player has a turn. The winner is the player with the most pairs when all the pairs of cards have been claimed.

Click here to download the cards.

The cards show numbers written as fractions, decimals and percentages. Each number occurs twice in the pack of cards in 2 of the 3 possible representations. Remember that to turn a fraction into a decimal you divide the numerator by the denominator.

To make the game easier, play with 6 pairs of cards, then later with 10, then 15. Before you play, sort the cards into pairs, choose which pairs you are going to play with and shuffle them.

The green cards have no pictures. A second lilac pack of cards is given with some of the numbers represented by diagrams. The game is played in the same way.

Create your own Pelmathism game for other topics. Download a set of blank cards and create many variations of this game. For example, match pictures to the names of the objects, match calculations to the answers, match numbers to the same number written as a product of prime factors, or match diagrams to statements of theorems. There are more possibilities.

For young children you could make a set of cards with simple addition sums as shown here, and you could include cards with different numbers of dots to count. Make new cards when your children are ready for a bigger challenge.

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