Glossary
Language of geometry
Angles
Angle revision
Angles in a triangle
Angles in a quadrilateral
Polygons
Parallel lines
Mixing it up
Isometrics revision
Challenge 1
Position and orientation
Direction: bearings
Using a protractor to find bearings
Location: loci
Distances: scales on maps and diagrams
Mixing it up
Transformation geometry
Revision of translation, reflection and rotation
Enlargement
The theorem of Pythagoras
Finding the length of the hypotenuse
Finding the lengths of short sides
Mixing it up
Mixing the theorem of Pythagoras with geometry
Trigonometry
What is trigonometry?
SOHCAHTOA
Finding sides using sine
Finding sides using cosine and tangent
Mixing it up
Finding sides using trigonometry and geometry
Finding angles using sine
Finding angles using cosine and tangent
Mixing it up
Finding angles using trigonometry and
geometry
Challenge 2
Revision 1
Revision 2
Answers
Charlotte has over 10 years’ experience in teaching Mathematics, the majority of this as Assistant HOD of Mathematics and Dean of Year 9 at Darfield High School. She has also undertaken a year at St Margaret’s – a high decile, girls’ school. Here she focused on teaching the junior levels (including Year 7 and 8).
Victoria has twenty years’ experience in teaching Mathematics and has recently retired as Teacher of Mathematics and Specialist Classroom Teacher at Riccarton High School. She has received a Jim Campbell award for teaching excellence (2003) and an Ernest Duncan award in Mathematics (2007).