# Angles

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# Angles

##### Shape
Interactive Lessons

Students extend their understanding of angles in a triangles to calculate missing angles in a quadrilateral.  As...
##### Shape
Interactive Lessons

## Angles in Parallel Lines

This lesson is intended to guide the class through discovering alternate, corresponding and interior angles in p...
##### Shape
Interactive Lessons

## Problems with Angles in Parallel Lines

Students learn how to apply the interior, alternate and corresponding angle properties in parallel lines.  As th...
##### Shape
Interactive Lessons

The main concept throughout the lesson is the sum of angles on a straight line being equal to 180° and those abo...
##### Shape
Interactive Lessons

## Angles in a Triangle

Students begin by investigating the sum of the angles in different types of triangles.  As learning progresses t...
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Interactive Lessons

## Bearings and Scale Drawings

Students learn how to draw and measure bearings and how to use the angle properties of parallel lines to calcula...
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Interactive Lessons

## Drawing and Measuring Angles

Drawing and Measuring Angles: Students learn how to measure and construct different types of angles using a rule...
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Interactive Lessons

## Constructing Regular Polygons

Students learn how to construct regular polygons to investigate the relationship between interior and exterior a...
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Interactive Lessons

## Interior and Exterior Angles

Students use the properties of regular polygons to calculate interior and exterior angles. As learning progresse...
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Interactive Lessons

## Circle Theorems

Students are taken through the discovery of various circle theorems. The theorems include, angle at the centre i...
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Interactive Lessons

## Tangents Circle Theorems

This lesson guides the class through the discovery of circle theorems involving tangents. The theorems include, ...

### Mr Mathematics Blog

#### Solving Inequalities using a Number Line

Students should be able to represent the solutions to an inequality on a number line, using set notation or as a list of integer values.  Here's how I teach using the balance method for solving inequalities using a number line. Matching inequalities, Number sets and Number Lines At the start of the lesson students recap […]

#### Practical Tips for Using Mini-Whiteboards in a Mathematics Lesson

In this blog I will share some practical tips for using mini-whiteboards in a mathematics lesson.  I use mini-whiteboards nearly every lesson because they help the students show me the progress they are making.  When I understand what the misconceptions are I am able to address them in subsequent examples as part of my feedback.  […]

#### Showing Progress during a Mathematics Lesson

Demonstrating student progression during a mathematics lesson is about understanding the learning objective and breaking that down into explicit success criteria. Using Success Criteria Take, for example, a lesson on calculating the area of compound rectilinear shapes. The intended learning objective was written on the main whiteboard. Success criteria were used to break down the individual […]