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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: 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.
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Excel Investigation: Target Decimal
Use an Excel spreadsheet to approximate a decimal using trial and
improvement.
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Excel Investigation: More Beads
A heap of beads was shared out by a professional bead sharer. Use
the information given to find out how many beads there were at the
start.
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Excel Investigation: Pascal Multiples
This spreadsheet highlights multiples of numbers up to 20 in Pascal's triangle. What patterns can you see?
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Excel Investigation: Pythagorean Triples
Use Excel to find sets of three numbers so that the sum of the squares of the first two is equal to the square of the third.
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Excel Investigation: The Difference of Two (same) Powers
If you take two integers and look at the difference between the
square of each value, there is a nice relationship between the
original numbers and that difference. Can you find the pattern
using Excel?
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Developing the Classroom Culture: Using the Dotty Six Activity as a Springboard for Investigation
This article suggests how to dig deeper into who answers questions in your classroom using the game Dotty Six.
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Converging Quadrilaterals
16 to 18
Explore the properties of this iterative geometrical procedure