Transum Software

Cracked Clock Quiz

Try saying that ten times quickly!

A ten question mathematical quiz about the numbers on a standard clock face.

Cracked Clock Quiz Large Clock More Time Activities More Puzzles

You can earn a trophy if you get at least 7 questions correct and you do this activity online.

1. What do all of the numbers on a clock face add up to?

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2. If the clock face broke into two pieces and the total of the numbers on each piece was the same, what other number would be on the piece containing the 11, 12, 1 , 2 and 3?

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3. If the clock face broke into three pieces and the total of the numbers on each piece was the same, what would that total be?

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4. Could the clock face break into four pieces with the total of the numbers on each piece the same? Yes or no?

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5. Could the clock face break into five pieces with the total of the numbers on each piece the same? Yes or no?

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6. Could the clock face break into six pieces with the total of the numbers on each piece the same? Yes or no?

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7. What do all of the odd numbers on a clock face add up to?

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8. What do all of the even numbers on a clock face add up to?

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9. What do all of the prime numbers on a clock face add up to?

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10. One of the numbers dropped off a clock face. The total of the numbers left was greater than 71 and a prime number. Which number dropped off?

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Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.

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?

Comment recorded on the 3 October 'Starter of the Day' page by Mrs Johnstone, 7Je:

"I think this is a brilliant website as all the students enjoy doing the puzzles and it is a brilliant way to start a lesson."

Comment recorded on the 10 September 'Starter of the Day' page by Carol, Sheffield PArk Academy:

"3 NQTs in the department, I'm new subject leader in this new academy - Starters R Great!! Lovely resource for stimulating learning and getting eveyone off to a good start. Thank you!!"

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Answers

There are answers to this exercise but they are available in this space to teachers, tutors and parents who have logged in to their Transum subscription on this computer.

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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 page is an alphabetical list of free activities designed for students in Secondary/High school.

Maths Map

Are you looking for something specific? An exercise to supplement the topic you are studying at school at the moment perhaps. Navigate using our Maths Map to find exercises, puzzles and Maths lesson starters grouped by topic.

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:

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments.

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