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

Friday, August 28, 2026

P5 pattern (red swas WA3 2026))

Sent from my iPad

Posted by ChangCL's Site at 11:23 PM

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Learning from mistakes

https://www.facebook.com/share/r/19B4VZHLJR/?mibextid=wwXIfr

Posted by ChangCL's Site at 8:47 PM

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Thursday, August 27, 2026

P6 decimal, money, H: area diag

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Posted by ChangCL's Site at 11:35 AM

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P6 Average TFNPTT (fr CFPS 2026 prelim )

Try this nice one…

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Posted by ChangCL's Site at 11:33 AM

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Wednesday, August 26, 2026

SPAR

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Posted by ChangCL's Site at 1:55 PM

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P4 Pattern

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Posted by ChangCL's Site at 9:42 AM

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P6 Fraction, Ratio, Percentage

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Posted by ChangCL's Site at 9:27 AM

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P6 area and perimeter

_____ my solution

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Posted by ChangCL's Site at 2:08 AM

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Tuesday, August 25, 2026

p6 pattern

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Posted by ChangCL's Site at 12:59 AM

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P6 percentage

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Posted by ChangCL's Site at 12:57 AM

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Monday, August 24, 2026

Sec2, sec3 circles

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Posted by ChangCL's Site at 10:19 PM

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Numbers, money, Past PSLE H: Area diagram

____ my solution

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Posted by ChangCL's Site at 8:59 PM

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Sunday, August 23, 2026

Sec2 circles

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Posted by ChangCL's Site at 10:29 AM

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Saturday, August 22, 2026

sec2 circles

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Posted by ChangCL's Site at 11:47 PM

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Friday, August 21, 2026

P6 fraction, percentage,H: model , unitary

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Posted by ChangCL's Site at 7:30 PM

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Thursday, August 20, 2026

Pattern

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Posted by ChangCL's Site at 12:09 AM

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Sec4 algebra, set notations

_____

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Posted by ChangCL's Site at 12:09 AM

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Wednesday, August 19, 2026

p6 percentage

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Posted by ChangCL's Site at 8:09 AM

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Tuesday, August 18, 2026

P6 percentage

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Posted by ChangCL's Site at 5:16 PM

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Saturday, August 15, 2026

P5 average

___

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Posted by ChangCL's Site at 11:36 PM

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Friday, August 14, 2026

p5 p6 pattern

____

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Posted by ChangCL's Site at 9:27 AM

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P5 P6 pattern

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Posted by ChangCL's Site at 9:25 AM

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Wednesday, August 12, 2026

P6 fraction (H: Area Diagram)

_____

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Posted by ChangCL's Site at 9:52 AM

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Tuesday, August 11, 2026

PSLE pattern questions (2014-2021)

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Posted by ChangCL's Site at 2:28 PM

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Monday, August 10, 2026

P6 fraction (H: area diagram)

Posted by ChangCL's Site at 11:19 AM

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