Level 1Level 2Level 3Level 4Level 5DescriptionMore Number

Anticlockwise [1] Clockwise [2]

Well done.

You have completed this level and can claim a trophy.

Description of Levels

Close

Level 1 - One cog catching odd and even numbers

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

Level 3 - A level 1 cog and a level 2 cog

Level 4 - Two level 2 cogs

Level 5 - Two level 2 cogs and a level 1 cog

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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