Get 101 Mathematical Projects PDF

By Brian Bolt, David Hobbs

ISBN-10: 0511414978

ISBN-13: 9780511414978

ISBN-10: 0521347599

ISBN-13: 9780521347594

This e-book for lecturers indicates tasks which cater for a variety of ideas and talents, and hyperlinks with different curriculum topics.

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Extra info for 101 Mathematical Projects

Example text

Write it down again but with the digits 'scrambled', and subtract the smaller from the (c) As in (a) but for a square block of four numbers. larger. They cross out any digit in the result and tell you the sum of the other digits. You (d) Invent variations with other blocks of numbers. can immediately tell which number was deleted. Method: subtract the total you are given from the next highest multiple of 9. In the example above: 18 — 10 = 8. ) Explain why the trick works. There are many other tricks which depend on the properties of 9 in the base ten number system.

Do you 4 Make an isometric or perspective drawing of your design. 60 The home 3 Before drawing the elevations go for a walk around your locality and make a note of the houses you like the look of with sketches of the shape and style of windows, doors, roofs. Draw as many elevations as you think necessary to make your design clear. References House agents, magazines about the home, books on geometric drawing SMP, New Book 5 (Cambridge University Press) Moving house Moving house is a common experience for many people.

How many teams D, E, F, G and H. Mark seven equally- will have a bye in the first round? spaced points around a circle. On a piece of acetate draw the lines shown and fix 3 Speedway competitions the acetate with a pin through the centre In speedway competitions heats involve four of the circle. riders, and every rider has to compete against Then the matches for the first week every other rider. Devise schedules. are A-H, B-G, C-F, D-E. By rotating the acetate the matches for the subsequent weeks can be read off.