Drag the numbers onto the function machines of the same colour. The challenge is to make all of the statements correct.

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This is Brainbox level 5. You can try a different level:
Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Level 7 Level 8 Level 9 Level 10 Level 11 Level 12

This is an ideal activity for those wishing to develop their numeracy skills and logical thinking. There are 12 different levels and each puzzle is created from random numbers every time the page is loaded so you are very unlikely to get the same puzzle twice.

This number arranging puzzle was devised by Les Page and adapted as a Transum Mathematics interactive numeracy puzzle. The Brainbox puzzle is copyright (©2006 Les Page) but available for syndication.

Sign up for a Transum subscription to see the answers to all of the Transum puzzles.

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If you like this puzzle you may want to try one of the other Transum Puzzles (there are over 300 of them!).

Another Les Page Puzzle Zygo Interactive, randomly-generated, number-based logic puzzle (similar to Brainbox) designed to develop numeracy skills. The short web address is: Transum.org/go/?to=zygo

Set The Right Time Egg Timers The classic hourglass puzzle; Time the boiling of an egg using only the two egg timers provided. Flip as often as necessary. The short web address is: Transum.org/go/?to=eggtimers

Just Like Wordle Equatero Find the expression from a series of guesses and clues. The colours tell you how many of your numbers and symbols are correct. The short web address is: Transum.org/go/?to=equatero

A Great Challenge Groups of Four A simplified, mathematical version of the challenge seen in the British TV programme Only Connect. Find the connections between the terms. The short web address is: Transum.org/go/?to=grof