A number of self marking quizzes based on the fascinating Fibonacci Sequence.
This is level 5; Investigate the highest common factor of every nth term of the Fibonacci sequence..
With the exceptions of 1, 8 and 144, every Fibonacci number has a prime factor that is not a factor of any smaller Fibonacci number. This is known as Carmichael's theorem.
Here's a quick trick for roughly converting between miles and kilometres using the Fibonacci sequence.
To convert from miles to kilometers find the term of the sequence closest to the distance in miles. The next term in the sequence is an approximation of that distance in kilometres.
To convert from kilometres to miles find the term of the sequence closest to the distance in kilometres. The previous term in the sequence is an approximation of that distance in miles.
Can you explain why this trick works?
There is an online exercise providing practice converting between miles and kilometres here.
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.
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.
Please contact me if you have any suggestions or questions.
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 10 April 'Starter of the Day' page by Mike Sendrove, Salt Grammar School, UK.:
"A really useful set of resources - thanks. Is the collection available on CD? Are solutions available?"
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"Thank you so much for your wonderful site. I have so much material to use in class and inspire me to try something a little different more often. I am going to show my maths department your website and encourage them to use it too. How lovely that you have compiled such a great resource to help teachers and pupils.
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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.
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.
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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Level 1 - Continue the basic Fibonacci sequence
Level 2 - Continue the Fibonacci sequence in reverse
Level 3 - Find algebraic expressions for each term of a Fibonacci sequence
Level 4 - Finding the ratio of two successive numbers in Fibonacci's sequence
Level 5 - Investigate the highest common factor of every nth term of the Fibonacci sequence.
Level 6 - Finding missing terms from Fibonacci-type sequences.