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

https://www.instagram.com/changchengliang/reel/CdJCazMpqMO/

P5. P6 Rate

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Pythagorean theorem and trigo

P5 P6 Area of triangle

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P6 circle

P5 money (nanyang pri 2025)

____

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An architecture demonstrating the versatility of triangles in geometry

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PSLE 2020 Area & Perimeter, Percentage

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prelim 2025 PLMGS

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Sec2 circles

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P6 Geometry

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P6 Geometry ( TFNPTT )

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P6 Rate.Indirect proportion

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p6 money (H: area diag, considering difference)

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p5 p6 geometry

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PSLE 2018 — algebra, , measurement, geometry

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P6 percentage

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p6 circles

____ my solution

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P6 number pattern

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P3 olympiad . long division

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P5, P6 geometry, angles

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p5, p6 fraction, money, H: Area diagram

____ my solution

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olympiad . Fractions — Telescoping

P6 rate

My solution:

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P6 Numbers, factors and multiples (similar to a last PSLE qn)

____ My solution:

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