Elementary Mathematics Diagnostic Testing

DDEC Powerpoint Lessons

DDEC Tuition Class Powerpoint Lessons Samples

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YouTube Lesson Videos

Live Lesson Lessons Videos from Donason Deen Education Centre showing solutions to the homework tutorials questions

DDEC Tuition Homework Tutorials Sample

DDEC Tuition Homework Tutorials Samples

Topic 17. Trigonometry Homework Tutorial (pdf)Download

DDEC Classroom worksheets

Samples of worksheets used in the class to enhance the understanding of the concepts during class

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Guidebooks, Notes & Textbooks

Guidebooks, Notes, Textbooks and other quick reference materials used in the class. Some of the books are free for downloads. Downloaded copies are strictly for own use and not for sale or reproduction without the written consent of Donason Deen Research Centre, Singapore. 

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