# What Are They?

## Work out the numbers from their descriptions involving sum, product, difference and ratio.

Good luck! You can earn a trophy if you get at least 7 questions correct.

 1. The product of two positive odd numbers (greater than one) is 33. What are they? 2. The difference between two square numbers is 5. What are they? 3. The sum of three prime numbers is 19. What are they? 4. The ratio of two even numbers is 9:4. What are they? 5. The product of two odd numbers is 567. What are they? 6. The difference between two square numbers is 33. What are they? 7. The sum of three prime numbers is 31. What are they? 8. The ratio of two even numbers is 13:7. What are they? 9. The product of two odd numbers is 3339. What are they? 10. The difference between two square numbers is 132. What are they? 11. The sum of three prime numbers is 69. What are they? 12. The ratio of two even numbers is 27:27. What are they?
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## Transum.org

This web site contains over a thousand free mathematical activities for teachers and pupils. Click here to go to the main page which links to all of the resources available.

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Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician?

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#### Snooker Angles

This must be the most enjoyable way to practise estimating angles and learn about bearings. Snooker Angles is an interactive game for one or two players.

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## Go Maths

Learning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths main page links to more activities designed for students in upper Secondary/High school.

## Teachers

If you found this activity useful don't forget to record it in your scheme of work or learning management system. The short URL, ready to be copied and pasted, is as follows:

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