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Investigating and developing the area of a parallelogram dynamically.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Jon Skinner
Tags: Area, Parallelogram
Discovering the formula for the area of a triangle
Tags: Triangle, Area
An investigation into the patterns found in Magic Squares.
Author: Matthew Reames
Tags: Arithmetic, Number puzzles
Look for connections and patterns in the frequencies and wavelengths of sequences of musical notes
Author: Linda Tetlow
Topic: Mathematics, STEM
Tags: Exponential, Patterns, STEM, Geometric series, Physics, Loci
The sheep-pen problem
Recognise a quadratic in a realistic context and solve an optimisation problem
Author: Allan Duncan
Tags: Quadratic, Perimeter, Area, Algebra
Pythagoras - two approaches
Areas of squares ...or lengths of sides, squared?
Investigate relationships between radii of the semicircles and the perimeter and area of this interesting shape
Tags: Perimeter, Area, Circles, Geometry
Vertical Line (template)
A ready-made Graphs page with a pre-constructed vertical line
Editor: Christopher Rath
Dimensions of a Circle
Derive the formulae for the circumference and area of a circle using multiple representations.
Tags: Circumference, Area, Circles, Geometry
Mean or Median?
Distinguish between mean and median from a dot plot
Tags: Mode, Median
Investigate shapes formed by joining mid-points of adjacent sides of a quadrilateral.
Tags: 2D shapes, Geometry
Compare real data about the capacity of passenger lifts in the UK and EU
Tags: Data, Box plots, Averages, Regression
Trial and Improvement
Use trial and improvement to find the roots of a quadratic - multiple representations
Tags: Decimals, Data, Differentiation
Recording matchstick patterns leads to linear functions. (Contains video tutorial)
Author: Nevil Hopley
Tags: Linear, Patterns
Integer Grid (template)
A ready-made Graphs page on which an integer grid is shown
Tags: Coordinate systems
Rotation about the origin (template)
A ready-made Graphs page for rotation about the origin.
Optimizing the sheep pen
Discussion of seven different approaches to an optimization problem
Tags: Various topics, Circle theorems