You may also like

problem icon

Have You Got It?

Can you explain the strategy for winning this game with any target?

problem icon

Yih or Luk Tsut K'i or Three Men's Morris

Some puzzles requiring no knowledge of knot theory, just a careful inspection of the patterns. A glimpse of the classification of knots and a little about prime knots, crossing numbers and knot arithmetic.

problem icon

Lambs and Tigers

Investigations based on an Indian game.

Matching Fractions Decimals Percentages

Stage: 3 Challenge Level: Challenge Level:1
Match the cards with the same value.
Keep an eye on your score - ending at around 400 would be an excellent score.

Full Screen Version
This text is usually replaced by the Flash movie.

To download a printable version of this game, use the links below. There are three sets - set A are the easiest and set C are the most difficult.

If you print double sided, then the cards will have an NRICH logo on the back. Otherwise, you can just print the first page.

PDF: Set A, Set B, Set C

Word: Set A, Set B, Set C