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Syllabus Reference
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Lewis Lum
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Algebraic Number Line
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Drag the point along the number line to change the values of x (and y) variables. Observe the changes in corresponding functions, which may also be changed.
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Number Patterns: PAS4.2
Creates, records, analyses and generalises number patterns using words and algebraic symbols in a variety of ways
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Steve Arnold
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Completing the Square
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This variation on the Expression Builder applet from Early Algebra offers a cross-representational approach to building of Quadratic expressions, with a focus on completing the square. The spreadsheet is used to represent the algebraic form and a number of practice and free exploration opportunities are provided.
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Algebraic Techniques PAS5.2.1
Simplifies, expands and factorises algebraic expressions involving fractions and negative and fractional indices
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Gail Burrill
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Locus Builder
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Drag a point around the coordinate plane to try and match a set value for a function in x and y. Record each position which matches and look for a pattern.
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Number Patterns: PAS5.2.2
Solves linear and simple quadratic equations, solves linear inequalities and solves simultaneous equations using graphical and analytical methods
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Steve Arnold
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Trig and Temperatures
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Drag a point along the time axis to follow the temperatures at various time throughout the day.
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Trigonometry MS5.1.2
Applies trigonometry to solve problems (diagrams given) including those involving angles of elevation and depression
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Lewis Lum
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What's My Rule?
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Drag a point around the coordinate plane to try and discover the rule which causes another point to follow.
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Number Patterns: PAS4.2
Creates, records, analyses and generalises number patterns using words and algebraic symbols in a variety of ways
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