QUALITY O

F WRITT

EN

COMMUNICATION

G E O M E T R Y I N M

A T H E M A T I CS

Information from the Edexcel Maths Emporium.PowerPoint by T.Jefferson

GEOMETRY IN MATHEMATICSBy the end of these sessions students will:- Know when to use the statements,- Be able to justify explanations,- Provide coherent reasoning to solve the problems.

Session 1 – Geometry rulesSession 2 – Writing linked statementsSession 3 – Review and improveSession 4 – Fluency of written communication

SESSION 1

Key Stat

emen

ts15

minutes

COMMUNICATING MATHEMATICALLY“In questions that relate to Geometry candidates can be asked to give a reason for a calculation or proof. In many cases this is related to angles. This could also be part of a requirement for candidates to communicate in mathematical terms. If questions have an asterisk they are also linked to QWC (Quality of Written Communication) marks, again for communicating mathematically. ”

COMMUNICATING MATHEMATICALLY“In Geometry the need to communicate in mathematics terms is embodied in mathematical statements relating to geometrical properties. It is important that candidates show with clarity their understanding of the use of any geometrical property that they might use in solving problems.”

GEOMETRY RULESJot down as many rules as you can remember, with any

details.

If you get stuck, your teacher will reveal some clues below.First letters only:VOAAEAOASLAUT180AAAPAUT360AIATAUT180BAOAITAEAIAETAEAIAQAUT360AAAECAAE

GEOMETRY RULESJot down as many rules as you can remember, with any

details.

If you get stuck, your teacher will reveal some clues below.First letters only:VOAAE Vertically Opposite Angles Are EqualAOASLAUT180 Angles On A Straight Line Add Up To 180°AAAPAUT360 Angles At A Point Add Up To 360°AIATAUT180 Angles In A Triangle Add Up To 180°BAOAITAE Base Angles Of An Isosceles Triangle Are EqualAIAETAE Angles In An Equilateral Triangle Are EqualAIAQAUT360 Angles In A Quadrilateral Add Up To 360°AAAE Alternate Angles Are EqualCAAE Corresponding Angles Are Equal

There are more too!

RULES IN GEOMETRYHandout to be issued and stuck into ‘Prep Power’ book.

Reminder about diagrams.

Lines are equal in length.

Lines are parallel.

SESSION 2

Writing Li

nked

Statem

ents

15 m

inutes

WRITING LINKED STATEMENTS

In the last session you discussed the geometry rules and are aware of the key statements that must be learnt (and used) in the exams.

In this session there is analysis of questions requiring the use of these statements in order to solve the problems presented.

Refer back to the geometry rules. Which ones can be used? Discuss.

From the mark scheme:

Now review the following question and write down the statements that would help to solve the problem.

More foundation and higher questions are available.

FOUNDATION

HIGHER

HIGHER

HIGHER

SESSION 3

Review

and Im

prove

15 m

inutes

ANALYSISReview the annotated question that

you’ve been given. The markscheme is attached.

What makes sense?What must be changed?Re-write the answer, to gain full marks, as

if you were in the exam.

SESSION 4

Fluen

cy of

Writ

ten

Communica

tion

15 m

inutes

EXAM QUESTIONSIn the last session you saw how to answer a geometry question using the correct statements and discussed how to answer another.For this session you will be able to answer two or three questions.In the last five minutes swap what you have written with another person.• Have they used the correct statements?• Is the order logical?• Is the answer clear and correct?

Write down any improvements that they could make.