Level 1 Level 2 Level 3 Level 4 Level 5 Description More Number

Start Button Left Funnel Right Funnel Left Funnel
Anticlockwise [1] Clockwise [2]

Well done.

You have completed this level and can claim a trophy.

Description of Levels



Level 1 - One cog catching odd and even numbers

Level 2 - One cog catching square, prime, cube and triangular numbers

Level 3 - Two cogs. Level 1 andf level 2

Level 4 - Two level 2 cogs

Level 5 - Three cogs, two level 2 and a level 1

Rotate the cogs to catch the numbers in the correct sections. This can be done by clicking the clockwise and anticlockwise buttons above or by pressing the indicated number keys on the keyboard or number pad.

When you are ready to begin press the Start button.

You can earn a Transum trophy for catching 30 numbers correctly. There are five different levels arranged in increasing order of difficulty.

The number sequences used in this activity are as follows:

Odd: 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29 ...

Even: 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30 ...

Square: 1,4,9,16,25,36,49,64,81,100 ...

Cube: 1,8,27,64 ...

Triangular: 1,3,6,10,15,21,28,36,45,55,66,78,91...

Prime: 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97 ...


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