Number dials (version 0.4)

What is it?

Number dials is an interactive teaching program (ITP) which generates a number dial. The empty boxes around the outside of the dial contain multiples, the number in the centre multiplied by the corresponding multipliers around the inside edge of the dial. To reveal and hide the number at the centre, click on it or the box with the two pointers. To reveal and hide each multiple, click on the box. To reveal and hide all multiples, click on the box with ?. To reveal and hide all multipliers, click on the box with the dial. You can change the centre number to a single digit in the range 2 to 9, a multiple of 10 from 10 to 90, and to a decimal 0.1to 0.9.

Downloads

Number dials (ZIP 458Kb)

This version of Number dials runs on Windows based personal computers. You will need to have an unzip utility, such as WinZip for Windows or StuffIt Expander for Windows and Apple Macintosh, installed on your computer to unzip this file.

Number dials (Shockwave SWF 38Kb)

This is an interactive Flash movie file. Click on the title to preview the movie in your browser. To save it on your computer right-click on the title and opt to 'Save Target As...' [Apple Macintosh users click and hold].

Number dials (Mac) (HQX 1.4Mb)

This version of Number dials runs on Apple Mac OS computers. Download the file and click on the file to extract the application.

Number dials (PC) (EXE 1015Kb)

This version of Number dials runs on Windows based personal computers. This is an '.exe' file which may be rejected by some networked computers where an internet firewall is in place. If in doubt download the zipped version.

Number dials guide (PDF 128Kb)

Number dials guide (WORD 109Kb)