Making and Testing Hypotheses - July 2008, All Stages

Problems

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Logic Block Collections

Age 5 to 7 Challenge Level:

What do you think is the same about these two Logic Blocks? What others do you think go with them in the set?

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Shapes in the Alphabet

Age 5 to 7 Challenge Level:

In this problem, we're going to find sets of letter shapes that go together.

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Cubes Here and There

Age 7 to 11 Challenge Level:

How many shapes can you build from three red and two green cubes? Can you use what you've found out to predict the number for four red and two green?

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Tiling

Age 7 to 11 Challenge Level:

An investigation that gives you the opportunity to make and justify predictions.

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Reaction Timer

Age 11 to 14 Challenge Level:

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

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In the Bag

Age 11 to 14 Challenge Level:

Can you guess the colours of the 10 marbles in the bag? Can you develop an effective strategy for reaching 1000 points in the least number of rounds?

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Gr8 Coach

Age 11 to 14 Challenge Level:

Can you coach your rowing eight to win?

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Ishango Bone

Age 7 to 18 Challenge Level:

Can you decode the mysterious markings on this ancient bone tool?

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Snow and Cholera

Age 14 to 16 Challenge Level:

What information helped medical pioneers decide on the cause of a disease? Especially in a time before microscopes were as powerful as they are today ?

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Counting Fish

Age 14 to 16 Challenge Level:

I need a figure for the fish population in a lake, how does it help to catch and mark 40 fish ?

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Babylon Numbers

Age 11 to 18 Challenge Level:

Can you make a hypothesis to explain these ancient numbers?

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Reaction Timer Timer

Age 16 to 18 Challenge Level:

How can you time the reaction timer?

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Least of All

Age 16 to 18 Challenge Level:

A point moves on a line segment. A function depends on the position of the point. Where do you expect the point to be for a minimum of this function to occur.

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Spot the Difference

Age 16 to 18 Short Challenge Level:

If you plot these graphs they may look the same, but are they?

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Pattern Recognition

Age 16 to 18 Challenge Level:

When does a pattern start to exhibit structure? Can you crack the code used by the computer?