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Use 'Center Across Selection' instead of 'Merge and Center' I have been using Merge and Center for as long as I've known Microsoft Excel (many […]

Awesome Excel tip #1


Download a short Subtotal activity you can use in class here under Excel/Subtotal activity_Subtotaal aktiwiteit. Personally, the last thing from the Exam guidelines I still […]

Subtotal activity for Gr 12’s (Afr & Eng)


¬†Matthew Hains from Saheti School Johannesburg¬†Selected as Microsoft Innovative Educator (MIE) Expert Recognized as global leader in using technology to transform education 07/08/2018 – Johannesburg […]

Matthew Hains selected as MIE Expert for 2018-2019



I will be running a full-day of Minecraft at St Cyprian’s Girls school on the 13th of October 2018. I am really looking forward to […]

#365EduCAPETOWN and Minecraft


Every month I will make one poster available for teachers to download. The full set is available for purchase in the Tech Teachers shop. Sample […]

Free poster for teachers- August 2018


Hello everyone, After much contemplation, I have made some changes to the Tech Teachers web site. Change number 1 I have moved all the resources […]

Tech Teachers site, good news update!




My presentation, a full 15 minute version (without me presenting/narrating) with music. I believe that Computer Applications Technology is an essential subject that should be […]

Why choose CAT? Full 15 min-version


I often get asked to come and visit schools and do a presentation to students/parents on the subject of Computer Applications Technology. I have a […]

So, WHY choose C.A.T.?





What do we want? REAL DATA! When do we want it? NOW! A really good way to help your students see the relevance of Computer […]

Real data for Excel activities