Maths Circus Act 5 - Lion Upgrade

If you have upgraded your Mac to Mac OS X 10.7 "Lion", you may find that Maths Circus Act 5 no longer runs.


If Maths Circus Act 5 is still installed on your Mac, you can download a patch (below) which will upgrade Maths Circus Act 5 to run on Lion. If Maths Circus Act 5 is not installed on your Mac however, you can order a replacement CD if you can provide proof of purchase (see our UPGRADES policy). Otherwise, you will have to buy a new retail package.


To upgrade your Maths Circus Act 5 software, click on the link below to download the patch. The patch is in the form of a ZIP file. When the patch is downloaded to your Mac, double-click the ZIP file to open it. Then copy the unzipped Maths Circus Act file to your Maths Circus installation folder (usually Applications/Maths Circus ƒ by default). Drag the old Maths Circus Act 5 application file to the Trash.


The Maths Circus Act 5 software should then work correctly. Please report any problems to our support team.


Download Maths Circus Act 5 Version 4.0.0 Upgrade


Note: This patch will only work as part of an existing Maths Circus Act 5 installation. It will not work on its own.





Maths Circus Act 5 FAQ

 Q. I have just installed a new Windows on my computer, and Maths Circis Help menu item no longer works.

 A. Recent versions of Windows no longer support the help file format used by Maths Circus. You can find a complete explanation and download to fix this problem here.

 Q. I have just installed Mac OS X 10.7 "Lion" on my Mac, and Maths Circus Act 5 no longer works.

 A. Maths Circus Act 5 is a PowerPC app. With the introduction of Lion, Apple no longer supports PowerPC apps.


    • If Maths Circus Act 5 is installed on your Mac you can download and install a free patch from here.
    • If you want to re-install and you can provide proof-of-purchase, you can order a replacement CD from us (see our UPGRADE policy).
    • If you want to re-install but cannot provide proof-of-purchase, you will need to purchase the full retail package.


Maths Circus Act 5


An extended version of Maths Circus Act 2, with twice as many levels, new graphics and more!

  Years K to 6    


Best-selling software Maths Circus and Maths Circus Act 2 and Act 3, its sequels, are among the most popular educational software packages to have been written in Australia. They are now used in many countries around the world.

Maths Circus Act 5 presents twelve new puzzles, each with twice as many levels as before. Twice as many puzzles The puzzles in Maths Circus Act 5 each have ten levels — five basic and five advanced. The basic levels are especially designed for children in the early years of schooling.

The advanced levels are suitable for the middle and upper primary years and beyond, with the hardest of these advanced levels providing a real challenge to people of any age.

Range Of Skills

Each puzzle starts out at a very simple level which introduces the controls and helps the student identify the problem. More elements are added as the level gets higher.

The highest level puzzles have been designed to challenge even the most experienced problem solvers.

Maths Circus: Act 5 places emphasis on developing spatial, logical and sequencing skills, as well as including problems which encourage facility with numbers.

Even if students are unfamiliar with some of the terminology when they first see a puzzle, a few moments of experimenting will reveal how different devices affect their strategies.

Teacher Facilities

Teachers can control which puzzles and levels are available, and can inspect or print students’ progress.

The software includes PDFs of worksheets that can be printed for classroom use, a hints and solutions guide, and an installation and user guide.

Online Shopping


(Direct link to download software immediately. Link sent by email as well)

Note for Mac Users.

Since Apple has announced that they will discontinue support for 32-bit apps in the near future, we have withdrawn the Mac version of this app.







Australian buyers please add 10% GST to these prices.

Maths Circus
Number of Users
Name to appear on licence