Tiny Nines

Find the decimal equivalents of the fractions one ninth, one ninety ninth, one nine hundred and ninety ninth etc. Explain the pattern you get and generalise.

Repetitiously

The number 2.525252525252.... can be written as a fraction. What is the sum of the denominator and numerator?

Sept 03

What is the last digit of the number 1 / 5^903 ?

Fractions and Percentages Card Game

Age 11 to 16 Challenge Level:

Match the cards with the same value

Full screen version

You can play the game away from the computer by printing these Fractions and Percentages cards

If you print double-sided, the cards will each have an NRICH logo on the back. If you would prefer them to be blank on the back, just print the first page.

Networks/Graph Theory. PrimaryGames-Strategy. Visualising. Games. Dynamic geometry. Mathematical reasoning & proof. Interactivities. Equivalent fractions, decimals and percentages. Working systematically. Percentages.