https://www.threads.com/@tazuwithdriving/post/DZkOMeaDToA?xmt=AQG0J-SRXO2hoTjBdVU7SY69ZKCWXA9CXuFMhlozzvwlyDKfVKYCzcUqf2OeWtdEadbP362e&slof=1 Sent from my iPhone
Chang's Math blog
Compilation of all things math --- questions obtained via students' consultation, related math sites. * Do also check out my EduTech contributions at go.gov.sg/changcl
Monday, June 15, 2026
where does the number e come from
https://www.facebook.com/share/v/1HmE3FNYhS/?mibextid=wwXIfr Sent from my iPhone
Sunday, June 14, 2026
Saturday, June 13, 2026
Rudimentary (Basic) Algorithms for addition, subtraction, multiplication and division
Rudimentary (Basic) Algorithms for addition, subtraction, multiplication and division Algorithms for addition, subtraction, multiplication and division
Addition
https://www.instagram.com/changchengliang/reel/CdIA6UTJ-u0/
Subtraction
https://www.instagram.com/changchengliang/reel/CdIBCztp5Ox/
Multiplicaiton
https://www.instagram.com/changchengliang/reel/CdIBSLLp95n/
Division
Friday, June 12, 2026
Thursday, June 11, 2026
Wednesday, June 10, 2026
An architecture demonstrating the versatility of triangles in geometry
Tuesday, June 9, 2026
Sunday, June 7, 2026
Friday, June 5, 2026
Thursday, June 4, 2026
Tuesday, June 2, 2026
p6 money (H: area diag, considering difference)
_____ My solutions Sent from my iPhone
Monday, June 1, 2026
Sunday, May 31, 2026
Saturday, May 30, 2026
Friday, May 29, 2026
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