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2010: A Year of Investigations
This article for teachers suggests ideas for activities built around 10 and 2010.
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3 out of 3
CSI: Chemical Scene Investigation
16 to 18
3 out of 3
There has been a murder on the Stevenson estate. Use your analytical chemistry skills to assess the crime scene and identify the cause of death...
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Excel Investigation: Ring on a String
This investigation uses Excel to optimise a characteristic of
interest.
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Investigating Solids With Face-Transitivity
In this article, we look at solids constructed using symmetries of their faces.
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Excel Investigation: Number Pyramids
Use Excel to create some number pyramids. How are the numbers in the base line related to each other? Investigate using the spreadsheet.
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Excel Investigation: Fraction Combinations
Choose four numbers and make two fractions. Use an Excel
spreadsheet to investigate their properties. Can you generalise?
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Excel Investigation: Power Crazy
When is 7^n + 3^n a multiple of 10? Use Excel to investigate, and
try to explain what you find out.
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Excel Investigation: Difference Tuples
Use an Excel spreadsheet to investigate differences between four
numbers. Which set of start numbers give the longest run before
becoming 0 0 0 0?
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Excel Investigation: Multiples of Three
Use Excel to investigate digit sums of multiples of three. Can you
explain your findings?
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Excel Investigation: Happy Numbers
Take any whole number between 1 and 999, add the squares of the digits to get a new number. Use a spreadsheet to investigate this sequence.