Lew W. S.

P.3 Using a Weighing Scale to Weigh Objects (English Version) Self Assessment
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Lew W. S.
Investigating Trigonometric Ratios of a Right Angled Triangle
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Lew W. S.
Deriving area of trapezium by using a parallelogram
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Lew W. S.
Introduction to Linear Functions and Graphs
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Lew W. S.
Introduction to Cartesian Coordinate System
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Lew W. S.
Self Assessment : Graphs of Quadratic Functions such as +/-(x-a)(x-b)
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Lew W. S.
Geogebra Rock and Roll (Video only)
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Lew W. S.
Graphs of Exponential Function y = k a^x
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Lew W. S.
Template Investigative Activity with Record to Spreadsheet (withGeneric names of objects)
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Lew W. S.
Lifecycle Quiz 1
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Lew W. S.
Investigative Activity : Sine Rule
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Lew W. S.
Investigative Activity : Sine Rule (Template Recording to Table Activity)
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Lew W. S.
Gradient and y intercept of y = mx + c, ax + by = c, ax + by + c = 0
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Lew W. S.
Gradient (Slope) : Dynamic Illustration
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Lew W. S.
Self Assessment MCQs Collection (Shared Copy)
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Lew W. S.
Self Assessment MCQs Collection
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Lew W. S.
Self Assessment Applets Elementary Math (Secondary)
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Lew W. S.
Applets for Additional Mathematics in Singapore
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Lew W. S.
Design Examples & Templates of Possible Interactivities
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Lew W. S.
Elementary Math (Sec 1 to 4) Applets (Shared Copy)
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Lew W. S.
Elementary Math (Sec 1 to 4) Applets
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Lew W. S.
Study Animation of Two Perpendicular Vectors
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Lew W. S.
Graphing Linear Functions (II)
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Lew W. S.
Solving Linear Equations involving fractional coefficients and expressions (2)
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Lew W. S.

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