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Paths (level 1)
Test yourself with paths: follow the instruction.
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Sums (level 1)
Test yourself with additions.
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Schemas (level 1)
Reproduce and memorize a schema.
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Paths (level 2)
Test yourself with paths: follow the instruction from the point of view of your friends.
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Sums (level 2)
Test yourself with additions... involving negative numbers.
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Sums (level 3)
Test yourself with additions... involving fractions.
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Sums (level 4)
Now test yourself with the most complicated puzzles.
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Sums (final level)
Now test yourself with the most complicated puzzles... involving negative numbers.
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Reference points (level 1)
Identify positions according to indications with respect to given reference points.
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Products (level 1)
Test yourself with multiplications.
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Products (level 2)
Test yourself with multiplications... now you need to use bigger and bigger numbers.
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Products (level 3)
Test yourself with multiplications... involving fractions.
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Sums and products (level 1)
Test yourself with additions and multiplications combined.
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Sums and products (level 2)
Test yourself with additions and multiplications combined... involving fractions.
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Shapes
Test yourself with geometrical shapes.
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Let's tidy things up!
Reorganize the points in the plane.
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Triangles (level 1)
Trace triangles with given properties.
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Triangles (level 2)
Trace triangles with given properties: you have to respect some requests.
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Triangles (level 3)
Trace triangles with given properties: you have to respect some requests. Is it really possible to accomplish this?
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