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Teacher's Page 2

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Lesson starters A big thank you to James (who attended one of my recent courses on data handling) for sending me a link to this Lesson Starters site where you can click on today's date for the "Starter of The Day". The activities are designed for KS3 students and the format lends itself for use with a data projector or Smartboard. Kaprekar's Constant Take any four digit number (whose digits are not all identical), and do the following: Rearrange the string of digits to form the largest and smallest 4-digit numbers possible. Take these two numbers and subtract the smaller number from the larger. Use the number you obtain and repeat the above process. Suppose we choose the number 3141. 4311 - 1134 = 3177 7731 - 1377 = 6354 6543 - 3456 = 3087 8730 - 0378 = 8352 8532 - 2358 = 6174 7641 - 1467 = 6174..... Now investigate further The Red Box Am I the only person who hasn't yet discovered the delights of the Red Box Citizenship programme designed to teach 7-16 year olds about tax and public spending. Students control the budget for a fictitious town square by answering mathematical based questions....it kept me quiet for a while so probably worth a try in your classroom - the work also provides a useful link between mathematics and citizenship.

A mathematical poem The following poem is attributed to the author Jon Saxton. Can you read it? ((12 + 144 + 20 + (3 x √4) ÷ 7) + (5 x 11) = 92 + 0 Do you give up? A dozen, a gross and a score, plus three times the square root of four, divided by seven, plus five times eleven, equals nine squared and not a bit more. Now make up your own poem....and send it to me so I can publish it on these pages. Some useful NC sites For your information, here are a few national curriculum sites which you might find useful in your travels across the www..... Mathematics in the NC ICT in the NC Citizenship in the NC Magic square indeed Consider the following magic square: 8 1 6 3 5 7 4 9 2 Is it just a coincidence that if you read the rows as numbers (forwards and backwards) and square them, that: 8162 + 3572 + 4922 = 6182 + 7532 + 2942 Try some other magic squares