Geometry Home

Using geometric reasoning to solve problems
This involves using angle rules relating to lines, parallel lines, triangles, polygons, geometry relating to circles as well as symmetry and similarity (similar shapes)

1

Angles

Angles history,
Estimating angles, Angle Types: Acute, right, obtuse, reflex

PrePost Test | MR Notes | Blank Notes

Ex 14.1 p207 | Ex 14.2 p208

Banana Hunt | Angles | Kill the Alien

More Angles

Angle type practice
Naming Angles
Measuring Angles

MR Notes | Blank Notes

Ex 14.3 p209

Angle animated website | Angles | Measuring Angles

Towards Credits p55
Towards Excellence p55

3

Measuring & Estimating

MR Notes | Blank Notes

Angle matching Ex 14.4 p211
Measuring & drawing angles Ex 14.5 p213
Reflex Angles Ex 14.11 p222
Estimating angles Ex 14.6 p222

Angles

Bearings

Compass Bearings Treasure map Protractor Golf The rescue worksheet

Revision Test
Bearings: MR Notes | Blank Notes
bearings worksheet | Protractor Golf

Ex 18.8 p275

Magnetic north calculator | Latitude/Longitude Calculator

Towards Credits p61
Towards Excellence p61

5

Angle Rules

Angles on a line
Vertically opposite angles
Complementary & Supplementary angles

MR Notes | Blank Notes

Angles on a line rule  Ex 14.7 p217
Vertically opposite angles Ex 14.9 p220
Complementary & Supplementary angles Ex 14.8 p218

Parallel Line Rules | Angles on a line

Angle Rules

Angles around a point
Angles in a triangle
Isosceles triangle

At a point MR Notes | Blank Notes
In a Triangle MR Notes | Blank Notes

Angles around a point Ex 14.10 p221
Angles in a triangle Ex 14.13 p226
Isosceles triangles  Ex 19.5 p289

Triangles
Maths Net: Isosceles Triangle | Equilateral Triangle demo

Towards Credits p56, 57
Towards Excellence p56

7

Mixed problems

Overview of parallel lines, lines, rays, line segments

MR Notes | Blank Notes | MR Notes | Blank Notes

Mixed problems 14.14 p227
Parallel & Perpendicular lines Ex 18.1 p262

Angles, rays lines

Maths Net: Perpendicular | Parallel demo

Parallel & Perpendicular lines

Alternate angles, Corresponding angles

MR Notes | Blank Notes

Alternate angles Ex 18.2 p264 | Ex 18.3 p265
Corresponding angles Ex 18.4 p267 Ex 18.5 p268

Parallel lines
Maths Net: Corresponding & Alternate demo

9

Parallel & Perpendicular lines

Co-interior angles in parallel lines

Review parallel lines MR Notes | Blank Notes
Angles in a clock MR Notes | Blank Notes

Co-interior angles Ex 18.6 p269
Review parallel lines Ex 18.7 p271
Angles in a clock Ex 14.12 p223

Parallel lines

Towards Credits p58
Towards Excellence p57, 58

Exterior Angles

Exterior angles and the sum of exterior angles in polygons

MR Notes | Blank Notes

Polygon – external angle sum | Interior & exterior Angles | Polygons

Towards Credits p59
Towards Excellence p60

11

Polygons

Polygon definition (maths is fun)
Polygon names and number of sides
Shapes Bingo pdf
Polygon Capture game

MR Notes | Blank Notes

Polygon Star puzzle
Maths Net: Kite | Parallelogram | Rhombus | Trapezium demo
Regents maths Java applets on...  Exploring a parallelogram | Exploring a rectangle | Exploring a rhombus | Exploring an isosceles trapezium

Towards Credits p51
Towards Excellence p59

Interior Angles

Interior Angles, sum and individual in regular polygon names

MR Notes | Blank Notes

Polygons - internal angles | Polygons - internal angles | Interior & exterior Angles

Circle rules(extension)

Two radii form an isosceles triangle
Angle in a semicircle

MR Notes | Blank Notes |

Circle rules

Revision

MR Notes | Blank Notes |

Revision