Index > CabriJr Files
All age categories are approximate and they correspond to when students typically cover the related maths topics.
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Starting Out
HG037 Draw and move a triangle
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CabriJr
HG038 Measure an angle
Straight Line
HG027 Gradient
Construct
HG011 Straight Line Introduction 1 of 3
Notes
HG012 Straight Line Introduction 2 of 3
HG013 Straight Line Introduction 3 of 3
Circles
HG021 Isosceles triangle inside a circle
HG025 Angle in a semi-circle 1 of 2
HG026 Angle in a semi-circle 2 of 2
HG030 Angle at centre is double that on perimeter (Thales' Theorem)
HG019 Equation of a circle
Triangles
HG031 Invariant Area
HG032 Trigonometry - Sine Ratio
Quadrilaterals
HG023 Quadrilateral creator
HG035 Draw a kite
HG036 Draw a square 2 of 2
HG039 Draw a parallelogram
HG040 Draw a rectangle
HG041 Draw a square 1 of 2
HG024 Scale Factors of Length and Area
HG017 Angles of a cyclic quadrilateral
Optimisation
HG016 Perimeter of a cyclic triangle
HG042 Area of a cyclic quadrilateral
HG001 Area of a triangular "Sheep Pen" against a straight wall
HG003 Area of a rectangular "Sheep Pen" against a straight wall
HG018 Area of a rectangular gutter drain, with fixed length.
HG043 Area of a triangle with fixed perimeter
HG044 Area of a square enclosed within a right-triangle
HG047 How far to run and how far to swim?
HG059 Area bound by two straight edges and a corner.
Loci
HG020 Ladder Sliding down a wall.
HG045 Cross Trainer Fitness Machine
HG052 Parabola constructed from focus and directrix
Percentages
HG056 Percentage Sliders
Nspire
HG057 Area Percentages of Rectangles and Circles
Connections
HG055 Radius of circle vs area of circle
HG058 Base of isosceles triangle vs area of isosceles triangle
HG060 Radius of circle vs circumference of circle
HG066 Triangle in a semi-circle: area vs altitude
HG067 Right angled triangle with fixed base length: length of hypotenuse vs height
HG068 Triangle with fixed base length and height: length of side vs side
HG070 Rectangle with fixed area: length of base vs length of height
HG049 The Diminishing Square
HG050 Ladder sliding down wall: distance from base vs height of top of ladder (1)
HG053 Chord Length vs distance from centre of circle
HG054 Ladder sliding down wall: distance from base vs height of top of ladder (2)
HG061 Distance from one end of a segment vs distance to the other end (1)
HG062 Distance from one end of a segment vs distance to the other end (2)
HG063 Base of isosceles triangle vs perimeter of isosceles triangle
HG064 Triangle in a semi-circle: length of one side vs length of other side
HG065 Circular arc length between two points vs chord length between same points
Fun
HG002 A rotating propeller
HG004 Life on the Ocean Wave
HG014 Surfing
HG015 Cube Transformation
HG022 Pythagoras' Theorem - Visual Proof
HG028 Snake
HG029 Cliff Jumper
HG051 Meeting a Friend
Linkage
HG010 Linkage to draw lemniscate 1
HG033 Linkage to draw lemniscate 2
HG034 Linkage to draw lemniscate 3
Simulation
HG005 Folding a Sheet of Paper 1 of 2
HG006 Folding a Sheet of Paper 2 of 2
HG007 Up-and-Over Garage Door
HG008 Up-and-Over Garage Door ... with car.
HG009 Piston
HG046 Folding a Sheet of Paper 3 of 3
HG048 Design a better drinks can
