You have selected Grade 9-12 Geometry




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1 Study Plan Study plan - Grade 9-12 Geometry Info Go
 

Objective: On completion of the course formative assessment a tailored study plan is created identifying the lessons requiring revision.

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2 Space Recognise and name prisms according to spatial properties Info Go
 

Objective: To name prisms according to the shape of the base

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3 Space Recognise and name pyramids according to spatial properties Info Go
 

Objective: To name pyramids according to the shape of the base

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4 Space Recognise nets for prisms, pyramids, cubes and cones Info Go
 

Objective: To match a net with a solid and determine whether a given net forms a solid

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5 Space Viewing 3-D Shapes Info Go
 

Objective: To recognise what a solid looks like when viewed from a given direction

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6 Geometry part 1 Measuring Angles Info Go
 

Objective: To use a protractor to measure angles and identify angles as acute, obtuse or reflex

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7 Geometry part 1 Adjacent Angles Info Go
 

Objective: To recognise and calculate the size of adjacent angles

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8 Geometry part 1 Complementary and Supplementary Angles Info Go
 

Objective: To recognise and calculate the size of complementary and supplementary angles

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9 Geometry part 1 Vertically Opposite Angles Info Go
 

Objective: To determine values of pronumerals in vertically opposite angles

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10 Geometry part 1 Angles at a Point Info Go
 

Objective: To use angles at a point to calculate unknown angles

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11 Geometry part 1 Parallel Lines Info Go
 

Objective: To identify angle pairs and calculate angles formed by a transversal and parallel lines

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12 Geometry part 1 Additional questions involving parallel lines Info Go
 

Objective: To determine angle magnitude for angles formed by parallel lines and transversals

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13 Geometry part 1 Angle Sum of a Triangle Info Go
 

Objective: To use the angle sum for a triangle to calculate unknown angles

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14 Geometry part 1 Exterior angle theorem Info Go
 

Objective: To use the external angle of a triangle theorem to calculate unknown angles

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15 Geometry part 1 Special triangles Info Go
 

Objective: To use the properties of equilateral and isosceles triangles to calculate angle size

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16 Geometry part 1 Quadrilaterals Info Go
 

Objective: To use the angle sum of a quadrilateral to calculate unknown angles

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17 Geometry part 1 Geometric Constructions Info Go
 

Objective: To bisect a line, bisect an angle and construct a perpendicular using a compass and ruler

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18 Geometry part 3 Points, Lines and Planes Info Go
 

Objective: To identify collinear points and coplanar lines and points in 2 and 3 dimensions

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19 Geometry part 3 Angles Info Go
 

Objective: To label and classify angles and calculate pronumeral values within angles

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20 Geometry part 3 Angle Bisector Construction and its Properties Info Go
 

Objective: To geometrically bisect angles and calculate angle size given bisection

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21 Geometry part 3 Circumcenter and Incenter Info Go
 

Objective: To use properties of triangles, circles, circumcentres and incentres

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22 Geometry part 3 Orthocentre and Centroids Info Go
 

Objective: To use properties of triangles, circles orthocentres and centroids

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23 Geometry part 3 Midsegments Info Go
 

Objective: To determine midsegments, their length, slope and other properties

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24 Quadrilaterals Quadrilaterals 1 Info Go
 

Objective: To recognise, name and describe the properties of quadrilaterals

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25 Quadrilaterals Properties of Parallelograms - Opposite Angles Equal Info Go
 

Objective: To prove and use 'Opposite angles of a parallelogram are congruent'

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26 Quadrilaterals Properties of Parallelograms - Diagonals, Sides and Angles Info Go
 

Objective: To prove parallelogram properties and calculate unknown angles and lengths

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27 Quadrilaterals The Parallelogram Umbrella Info Go
 

Objective: To prove properties of specific parallelograms and find angles and lengths

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28 Quadrilaterals Properties of Trapezoids Info Go
 

Objective: To prove properties of trapezoids and find unknown lengths and angles

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29 Quadrilaterals Quadrilaterals 6 Info Go
 

Objective: To establish the properties of quadrilaterals in the number plane

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30 Locus Constructions and Loci 1: Transformations Info Go
 

Objective: To identify and use the locus of a point with simple constraints

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31 Locus Constructions and Loci 2 Info Go
 

Objective: To identify and use the locus of a point with multiple constraints

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32 Geometry part 2 More difficult exercises involving parallel lines Info Go
 

Objective: To determine the angles of geometric figures using known properties and theorems

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33 Geometry part 2 Further difficult exercises involving formal reasoning Info Go
 

Objective: To determine formally angles of geometric figures using known properties and theorems

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34 Geometry part 2 Angles of regular polygons Info Go
 

Objective: To calculate the internal and external angles of a polygon

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35 Geometry part 2 Congruent triangles: Tests 1 and 2 Info Go
 

Objective: To recognise congruent triangles and matching sides and angles using SSS and SAS

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36 Geometry part 2 Congruent triangles: Tests 3 and 4 Info Go
 

Objective: To recognise congruent triangles and matching sides and angles using AAS and RHS

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37 Geometry part 2 Proofs and Congruent Triangles Info Go
 

Objective: To use congruency in formal proofs in order to determine unknown angles and sides

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38 Geometry part 2 Similar Triangles Info Go
 

Objective: To use similarity tests for triangles and determine unknown sides and angles in triangles

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39 Geometry part 2 Using Similar Triangles to Calculate Lengths Info Go
 

Objective: To determine unknown sides and angles of similar triangles

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40 Geometry part 2 Examples involving overlapping triangles Info Go
 

Objective: To determine the lengths of unknown sides in overlapping or adjacent similar triangles

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41 Geometry part 3 The Triangle Inequality Theorem Info Go
 

Objective: To use the triangle inequality theorem to determine constructability of triangles

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42 Logic Inductive and Deductive Reasoning Info Go
 

Objective: To identify and use inductive and deductive reasoning

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43 Logic Disproof of Counter Example Info Go
 

Objective: To identify a statement as a counter example to disprove a statement

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44 Logic Proof by Disproof of a Contradictory Statement Info Go
 

Objective: To prove that a statement is true by proving that the contradictory statement is false

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45 Logic Conditional statements (converse, inverse and contrapositive) (Stage 2) Info Go
 

Objective: On completion of the lesson the student will be able to form related conditional statements.

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46 Matrices Matrices: basic concepts Info Go
 

Objective: To write and state the order of a matrix and to identify square matrices

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47 Matrices Addition and Subtraction of Matrices Info Go
 

Objective: To add and subtract matrices

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48 Matrices Scalar matrix: multiplication Info Go
 

Objective: To multiply a matrix by a scalar

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49 Matrices Multiplication of one matrix by another matrix Info Go
 

Objective: To perform matrix multiplication and to recognise that AB is not equal to BA

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50 Matrices Translation in the number plane Info Go
 

Objective: To use matrix addition to translate points

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51 Matrices Translation by matrix multiplication Info Go
 

Objective: To transform points and objects by matrix multiplication

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52 Matrices Special Transformations: Reflections, Rotations and Enlargements Info Go
 

Objective: To reflect, rotate and enlarge geometric shapes using matrix multiplication

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53 Circle geometry part 1 Theorem - Equal arcs subtend equal angles at the centre Info Go
 

Objective: To know that equal arcs on circles of equal radii subtend equal angles at the centre

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54 Circle geometry part 1 Theorem - The perpendicular from the centre to a chord bisects the chord Info Go
 

Objective: To know that the perpendicular from the centre of a circle to a chord bisects the chord and to know that the line from the centre of a circle to the mid-point of a chord is perpendicular to the chord

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55 Circle geometry part 1 Theorem - Equal chords in a circle are equidistant from the centre Info Go
 

Objective: To know that equal chords in equal circles are equidistant from the centres

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56 Circle geometry part 1 Theorem - The angle at the centre is double the angle at the circumference Info Go
 

Objective: To know that the angle at the centre of a circle is double the angle at the circumference standing on the same arc

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57 Circle geometry part 1 Theorem: Angles in the same segment of a circle are equal Info Go
 

Objective: To know that angles in the same segment of a circle are equal

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58 Circle geometry part 1 Theorem: The angle of a semi-circle is a right angle Info Go
 

Objective: To know that the angle of a semi-circle is a right angle

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59 Circle geometry part 1 Theorem: The opposite angles of a cyclic quadrilateral are supplementary Info Go
 

Objective: To know that the opposite angles of a cyclic quadrilateral are supplementary

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60 Circle geometry part 1 Theorem - Exterior angle of cyclic quadrilateral equals interior opposite angles Info Go
 

Objective: To know that the exterior angle at a vertex of a cyclic quadrilateral equals the interior opposite angle

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61 Circle geometry part 1 Theorem - At the point of contact a tangent is perpendicular to the radius Info Go
 

Objective: To know that the tangent to a circle is perpendicular to the radius drawn to it

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62 Circle geometry part 1 Theorem: Tangents to a circle from an external point are equal Info Go
 

Objective: To know that the tangents to a circle from an external point are equal

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63 Circle geometry part 1 Theorem - Angle between a tangent and chord equals angle in alternate segment Info Go
 

Objective: To know that the angle between a tangent and a chord through the point of contact is equal to the angle in the alternate segment

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64 Circle geometry part 2 Theorem: The products of the intercepts of two intersecting chords are equal Info Go
 

Objective: To use the product of chord segments theorem to find chord interval lengths

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65 Circle geometry part 2 Theorem - The relationship between the tangent and secant from the same point Info Go
 

Objective: To use the tangent square, secant product theorem to find segment lengths

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66 Circle geometry part 2 Theorem - If the opposite angles in a quadrilateral are supplementary then the quadrilateral is cyclic. Info Go
 

Objective: To prove a quadrilateral is cyclic using the supplementary angles theorem.

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67 Circle geometry part 2 Theorem - If an interval subtends equal angles at two points on the same side of it, then the end points of the interval and the two points are concyclic. Info Go
 

Objective: To prove points concyclic if they form congruent angles from two other points.

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68 Circle geometry part 2 Theorem - When circles touch, the line of the centres passes through the point of contact. Info Go
 

Objective: To use the collinearity of centres and the point of contact of two circles.

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69 Circle geometry part 2 Theorem - Any three non-collinear points lie on a unique circle whose centre is the point of concurrency of the perpendicular bisectors of the intervals joining these points. Info Go
 

Objective: To find the centre of the circle passing through 3 given points.

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70 Pythagoras Pythagoras' Theorem: Finding the Hypotenuse Info Go
 

Objective: To calculate the length of a hypotenuse using Pythagoras' Theorem

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71 Pythagoras Using Pythagorean Triples to Identify Right Triangles Info Go
 

Objective: To identify right triangles by using Pythagorean Triples or Pythagoras' Theorem

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72 Pythagoras Calculating the Hypotenuse of a right-angled Triangle Info Go
 

Objective: To calculate the length of a hypotenuse where lengths are given as surds or decimals

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73 Pythagoras Calculating a Leg of a right-angled Triangle Info Go
 

Objective: To calculate the length of sides other than the hypotenuse using Pythagoras' Theorem

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74 Pythagoras Proofs of Pythagoras' Theorem Info Go
 

Objective: To examine and complete proofs of Pythagoras' Theorem

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75 Matrices Vectors Info Go
 

Objective: To use vectors to find resultant speeds and displacements

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76 Matrices - Linear systems Number of Solutions Info Go
 

Objective: To determine solutions to systems of equations

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77 Matrices - Linear systems Vector Addition in 2 and 3D Info Go
 

Objective: To represent, add, subtract and determine the direction of vectors

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78 Matrices - Linear systems Optimal Solutions Info Go
 

Objective: To use linear programming to maximise or minimise an objective function

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79 Matrices - Linear systems Linear Systems with Matrices Info Go
 

Objective: To identify and describe matrices and perform row operations in matrices

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80 Co-ordinate geometry part 1 The Distance Formula Info Go
 

Objective: To use the distance formula to calculate the lengths of lines and distances

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81 Co-ordinate geometry part 1 The Mid-Point Formula Info Go
 

Objective: To determine the mid-point of an interval using the mid-point formula

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82 Co-ordinate geometry part 1 The Gradient Info Go
 

Objective: To find the gradient of a line given its angle of inclination or given rise and run

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83 Co-ordinate geometry part 1 The Gradient Formula Info Go
 

Objective: To use the gradient formula to find the gradient of straight lines

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84 Co-ordinate geometry part 1 The Straight Line Info Go
 

Objective: To state the equation of lines parallel to the axes and to graph equations x = a and y = b

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85 Co-ordinate geometry part 1 Lines Through the Origin Info Go
 

Objective: To state the equation of lines passing through the origin and to graph y = mx

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86 Co-ordinate geometry part 1 General Form of a Line and the x and y Intercepts Info Go
 

Objective: To write linear equations in general form, to find the x and y intercepts and to calculate area

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87 Co-ordinate geometry part 1 Slope Intercept Form of a Line Info Go
 

Objective: To change equation to slope intercept form and graph it and to find equation given graph

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88 Co-ordinate geometry part 1 Point Slope Form of a Line Info Go
 

Objective: To find the equation of a line given its slope and a point on the line (y-y1) = m(x-x1)

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89 Co-ordinate geometry part 2 Two Point Formula: equation of a line which joins a pair of points Info Go
 

Objective: To find the equation of the line which joins a pair of points

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90 Co-ordinate geometry part 2 Intercept form of a straight line: find the equation when given x and y Info Go
 

Objective: To find the equation of a line given the x-axis and y-axis intercepts

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91 Co-ordinate geometry part 2 Parallel Lines: identify equation of a line parallel to another Info Go
 

Objective: To change the standard form of a straight line equation to the y = mx + b form

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92 Co-ordinate geometry part 2 Perpendicular Lines Info Go
 

Objective: To identify the equation of a line that is perpendicular to a given linear equation

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93 Co-ordinate geometry part 2 Inequalities on the Number Plane Info Go
 

Objective: To identify the graph which matches a given inequality

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94 Co-ordinate geometry part 2 Perpendicular Distance Info Go
 

Objective: To calculate the perpendicular distance from a point to a line and between lines

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95 Co-ordinate geometry part 2 Line through the intersection of two given lines Info Go
 

Objective: To determine the equation of a line passing through the intersection of two lines

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96 Co-ordinate geometry part 2 Angles between two lines Info Go
 

Objective: To find the angle between two given straight lines

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97 Co-ordinate geometry part 2 Internal and external division of an interval Info Go
 

Objective: To find the value of k given the interval AB is divided at point P in the ratio of k to some value

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98 Co-ordinate geometry part 2 Transformations: Reflections Info Go
 

Objective: To identify reflections and to use isometric properties of reflections

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99 Geometry transformations Geometry Transformations without Matrices: Translation Info Go
 

Objective: To find the image of a point or object after a translation

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100 Geometry transformations Geometry Transformations without Matrices: Rotation Info Go
 

Objective: To determine rotation angle and to perform prescribed rotations

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101 Geometry transformations Geometry Transformations without Matrices: Dilation or Enlargement Info Go
 

Objective: To describe dilations and to calculate lengths and scale factors of dilated figures

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102 Geometry transformations Geometry Transformations without Matrices: Mixed and Combined Transformations Info Go
 

Objective: To identify images produced by a given sequence of transformations

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103 Geometry transformations The definition and concept of combined transformations resulting in an equivalent single transformation Info Go
 

Objective: On completion of this lesson the student will combine reflections and glide transformations to produce single isometric transformations.

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104 Measurement - Advanced area Area of a Trapezium Info Go
 

Objective: To calculate the area of trapezia using A=(h/2)(a+b)

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105 Measurement - Advanced area Area of a Rhombus Info Go
 

Objective: To calculate the area of a rhombus using diagonal products

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106 Measurement - Advanced area Area of a Circle Info Go
 

Objective: To calculate the area of circles and sectors and to solve circle problems

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107 Measurement - Advanced area Area of Regular Polygons and Composite Figures Info Go
 

Objective: To calculate area of composite figures and solve problems using correct formulae

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108 Measurement - Advanced volume Finding the volume of prisms Info Go
 

Objective: To calculate the volume of prisms using V=Ah and solve volume problems

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109 Measurement - Advanced volume Volume of a Cylinder and Sphere Info Go
 

Objective: To solve problems and calculate volumes of cylinders and spheres and parts of each

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110 Measurement - Advanced volume Volume of Pyramids and Cones Info Go
 

Objective: To calculate the volumes of pyramids and cones

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111 Measurement - Advanced volume Composite Solids Info Go
 

Objective: To calculate the volume of composite figures using appropriate formulae

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112 Surface area Surface Area of a Cube/Rectangular Prism Info Go
 

Objective: To calculate the surface area of cubes and rectangular prisms

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113 Surface area Surface Area of a Triangular/Trapezoidal Prism Info Go
 

Objective: To calculate the surface area of triangular and trapezoidal prisms

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114 Surface area Surface Area of a Cylinder and Sphere Info Go
 

Objective: To calculate the surface area of cylinders and spheres

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115 Surface area Surface Area of Pyramids Info Go
 

Objective: To calculate the surface area of pyramids

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116 Surface area Surface Area of Composite Solids Info Go
 

Objective: To calculate the surface area of composite solids

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117 Surface area Surface area of composite solids Info Go
 

Objective: On completion of the lesson the student will be able to find the surface areas of Composite solids.

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118 Trigonometry part 1 Trigonometric Ratios Info Go
 

Objective: To name the sides of a right-angled triangle and to determine the trig ratios of an angle

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119 Trigonometry part 1 Using the Calculator Info Go
 

Objective: To determine trigonometric ratios using a calculator

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120 Trigonometry part 1 Using the Trigonometric Ratios to find unknown length [Case 1 Sin] Info Go
 

Objective: To use the sine ratio to calculate the opposite side of a right-angled triangle

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121 Trigonometry part 1 Using the Trigonometric Ratios to find unknown length [Case 2 Cosine] Info Go
 

Objective: To use the cosine ratio to calculate the adjacent side of a right-angle triangle

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122 Trigonometry part 1 Using the Trigonometric Ratios to find unknown length [Case 3 Tangent Ratio] Info Go
 

Objective: To use the tangent ratio to calculate the opposite side of a right-angled triangle

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123 Trigonometry part 1 Unknown in the Denominator [Case 4] Info Go
 

Objective: To use trigonometry to find sides of a right-angled triangle and the Unknown in denominator

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124 Trigonometry part 1 Bearings: The Compass Info Go
 

Objective: To change from true bearings to compass bearings and vice versa

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125 Trigonometry part 1 Angles of Elevation and Depression Info Go
 

Objective: To identify and distinguish between angles of depression and elevation

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126 Trigonometry part 1 Trigonometric Ratios in Practical Situations Info Go
 

Objective: To solve problems involving bearings and angles of elevation and depression

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127 Trigonometry part 1 Using the Calculator to Find an Angle Given a Trigonometric Ratio Info Go
 

Objective: To find angles in right-angled triangles given trigonometric ratios

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128 Trigonometry part 1 Using the Trigonometric Ratios to Find an Angle in a Right-Angled Triangle Info Go
 

Objective: To use trigonometric ratios to determine angles in right-angled triangles and in problems

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129 Trigonometry part 1 Trigonometric Ratios of 30, 45 and 60 Degrees: Exact Ratios Info Go
 

Objective: To determine the exact values of sin, cos and tan of 30, 45 and 60 degrees

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130 Trigonometry part 1 The Cosine Rule to find an unknown side [Case 1 SAS] Info Go
 

Objective: To complete the cosine rule to find a subject side for given triangles

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131 Trigonometry part 1 The Sine Rule to find an unknown side: Case 1 Info Go
 

Objective: To complete the cosine rule to find a subject angle for given triangles

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132 Trigonometry part 1 The Sine Rule: Finding a Side Info Go
 

Objective: To find an unknown side of a triangle using the sine rule

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133 Trigonometry part 1 The Sine Rule: Finding an Angle Info Go
 

Objective: To find an unknown angle of a triangle using the sine rule

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134 Trigonometry part 1 The Sine Area Formula for a Triangle Info Go
 

Objective: To use the sine formula for the area of a triangle to calculate area

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135 Trigonometry part 2 Reciprocal Ratios Info Go
 

Objective: To find the trigonometric ratios for a given right-angled triangle

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136 Trigonometry part 2 Complementary Angle Results Info Go
 

Objective: To use complementary angle ratios to find an unknown angle given a trigonometric equality

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137 Trigonometry part 2 Trigonometric Identities Info Go
 

Objective: To simplify expressions using trigonometric equalities

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138 Trigonometry part 2 Angles of Any Magnitude Info Go
 

Objective: To assign angles to quadrants and to find trigonometric values for angles

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139 Trigonometry part 2 Trigonometric ratios of 0°, 90°, 180°, 270° and 360° Info Go
 

Objective: To find trigonometric ratios of 0, 90, 180, 270 and 360 degrees

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140 Trigonometry part 2 Graphing the Trigonometric Ratios I: Sine Curve Info Go
 

Objective: To recognise the sine curve and explore shifts of phase and amplitude

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141 Trigonometry part 2 Graphing the Trigonometric Ratios II: Cosine Curve Info Go
 

Objective: To recognise the cosine curve and explore shifts of phase and amplitude

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142 Trigonometry part 2 Graphing the Trigonometric Ratios III: Tangent Curve Info Go
 

Objective: To recognise the tangent curve and explore shifts of phase and amplitude

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143 Trigonometry part 2 Graphing the Trigonometric Ratios IV: Reciprocal Ratios Info Go
 

Objective: To graph the primary trigonometric functions and their inverses

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144 Trigonometry part 2 Using One Trig. Ratio to Find Another Info Go
 

Objective: To derive trig ratios complement from one given trig ratio + some other quadrant identifier.

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145 Trigonometry part 2 Solving Trigonometric Equations - Type I Info Go
 

Objective: To Solve trigonometric equations for angles from 0 to 360 degrees.

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146 Trigonometry part 2 Solving Trigonometric Equations - Type II Info Go
 

Objective: To solve trigonometric equations for angles from 0 to 360 degrees.

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147 Trigonometry part 2 Solving Trigonometric Equations - Type III Info Go
 

Objective: To solve trigonometric equations using tan? = sin?/cos?.

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148 Exam Exam - Grade 9-12 Geometry Info Go
 

Objective: Exam

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