This is a short list of 20 of the interactivities I have produced. I work on new interactivities every week.
But this list no longer gets updated. If you want to see the
latest collections of my work, visit my Mathematical
Interactivities or join the Interactivities
Forum to learn how to make your own interactive
educational multimedia resources.
Matches - A series of flashcard/concentration puzzles -
sometimes with an added interactive twist. Covers a range of
- Amazing Age Cards - How does the
computer know which number you've picked?
- Famous Mind-reading Card Trick - How can
the computer work out which one of 27 cards you're thinking about?
- The Frog Puzzle - Click on the lily pads to make the frogs move
across the pond by hopping or sliding. Can you work out how
many moves you would need to shift any number of frogs?
- High-Low - How many tries do you need to guess a number between 1
- TimeLord - A blast of nostalgia for
devotees of old computer games. Move the TimeLord around to avoid
- Bomb Numbers - The
old bomber arcade game - updated into a mathematics drill. Drop
bombs on skyscrapers to answer multiplication table questions.
- Multiplication Tables - Want to learn any number's times table?
Also available as an asp script or a spreadsheet...
Square - investigate patterns made by multiples of numbers in a
100 square. If that's too easy, try the n-square
- Subtractor - An interactive doodle that plays with the
concept that multiplication is repeated addition and division is
really repeated subtraction.
- Number Cruncher - Use the arrow keys to guide the number
cruncher around the screen, collecting multiples as you move.
- Percentage estimation - try to
estimate what percentage of the bar has been shaded. Score 3 marks
for being spot on. 2 for a very close answer, 1 for a fairly close
- Sectors - what fraction of a circle
has been shaded? Answer in lowest terms!
- Flash Algebra - is it an algebra lesson about Flash, or a Flash
lesson on algebra?
- Think of a Number - interactive discussion starter.
- Shape Game - Use the mouse to
click on the shapes and move them to the right container, but avoid
being caught by the other robots.
- Two dice
bar chart - draws a bar chart to show the result of rolling two
dice 150 times:
- How likely?
- If the probability of an event is 0.5, how likely would 12
successes out of 20 trials be? Use this interactivity to find the
answer to this and other questions.
- simulates an experiment where you remove red, green and blue
marbles with or without replacement
- Combinations - How many different cars,
football strips or ice creams can you create?