### Matching Fractions, Decimals and Percentages

Can you match pairs of fractions, decimals and percentages, and beat your previous scores?

### Sept 03

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

### Too Close to Call

Weekly Problem 24 - 2012
Can you put these very close fractions into order?

# Terminating or Not

##### Age 11 to 14Challenge Level

What are the prime factors of 10?
What are the prime factors of 100?
What are the prime factors of 1000?...

You could rewrite the eight fractions like this:

$$\frac23 \qquad \frac{2^2}5 \qquad \frac{17}{2\times5^2} \qquad \frac3{2^4}$$ $$\frac7{2^2 \times 3} \qquad \frac5{2^3} \qquad \frac{11}{2\times 7} \qquad \frac{2^3}{3 \times 5}$$

What do the fractions with terminating decimals have in common?