# Geometrical Proof

#### What's Included

• Smart Notebooks Presentation
• Activ Inspire Flipchart
• Lesson Plan
• Microsoft PowerPoint Presentation
• Differentiated Worksheet

# Geometrical Proof

Students learn how to construct a geometrical proof of various angle and shape properties.  As learning progresses they begin to prove congruency and and various circle theorems.
##### Differentiated Learning Objectives
• All students should be able to prove angle properties involving triangles and straight lines.
• Most students should be able to prove angle properties involving parallel lines and circle theorems.
• Some students should be able to use geometrical properties to prove congruence.
##### Related Blogs
Proving Geometrical Relationships using Algebra
Angle at the Centre and Circumference proof Angles in the Same Segment proof Cyclic Quadrilaterals proof Alternate Segment Proof

### Mr Mathematics Blog

#### Teaching Mathematics for a Growth Mindset

Inspiring students to enjoy maths and feel the success that comes with attempting a difficult challenge is why I teach.  The feeling of success is addictive.  The more students experience it the more they want it and the further out of their comfort zone they are willing to go to get more of it.  Teaching […]

#### Equation of Straight Line Graphs

To find the equation of straight line graphs students need to calculate the gradient using two pairs of coordinates and the intercept which is the y value of where it crosses the vertical axis.  Examiner’s reports of past exam questions show students are more able to find the intercept of a straight line than they […]

#### Arithmetic and Geometric Sequences

Students learn how to generate and describe arithmetic and geometric sequences on a  position-to-term basis.  Learning progresses from plotting and reading coordinates in the first quadrant to describing geometric sequences using the nth term. This unit takes place in Term 4 of Year 10 and is followed by the equations of straight line graphs. Arithmetic […]