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# Terminating or Not

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### Matching Fractions, Decimals and Percentages

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Age 11 to 14

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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?

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