Lew W.S. – Resources – GeoGebra

Linear Equations in Two Variables - Solutions are points on Graph!
Activity
Lew W.S.
Happy Teachers Day
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Lew W.S.
Smallest n such that m × n is a perfect square
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Lew W.S.
Statistics on Number of Rainy Days in Month (1982 to 2019) in Singapore
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Lew W.S.
Visualizing Statistical Information
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Lew W.S.
Data Handling, Statistics
Book
Lew W.S.
Interactive Dot Diagram(with Illustration of Mean, Median)
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Lew W.S.
Open Channel Flow Model using Manning Formula
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Lew W.S.
Study Animation of Stacked Beads in snaky motion
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Lew W.S.
Link to David Gurney's Charts and Graphs
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Lew W.S.
Turtle Exploration 1
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Lew W.S.
Comparing Histogram, Dot and Stem & Leaf Diagrams
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Lew W.S.
Histogram (Ungrouped Data) Exercise
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Lew W.S.
Significant Figures Self Directed Quiz
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Lew W.S.
Reflection Matrix (about line y = x tan θ + c
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Lew W.S.
Rotational Matrix (Centre of Rotation at C)
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Lew W.S.
Simplifying Algebraic Fractions (Express as a Single fraction)
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Lew W.S.
Ratio Problems (2 part) involving lengths
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Lew W.S.
Copy of Turtle Graphics with JavaScript Commands
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Lew W.S.
Copy of The Turtle without Python
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Lew W.S.
Copy of Turtle Logo
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Lew W.S.
Introduction to Linear Functions and Graphs
Book
Lew W.S.
Input and Output of Graphs of Linear Functions
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Lew W.S.
Area of Trapezium (Proof using Parallelogram)
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Lew W.S.