# Year 9 Term 6

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# Year 9 Term 6

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Interactive Lessons

## Pythagoras’ Theorem in 3D

Students learn how to calculate unknown lengths in cuboids and other solids by applying Pythagoras' Theorem in ...
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Interactive Lessons

## Constructing Angle Bisectors

Students learn how to construct angle bisectors using a pair of compasses and a straight edge.  The lesson cover...
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Interactive Lessons

## Constructing Loci and Regions

Students learn how to construct the locus of a region by considering loci about a point and line.  Learning is e...
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Interactive Lessons

## Constructing Loci and Equidistant Paths

Students learn how to construct equidistant paths and identify specific points using angle bisectors and constru...
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Interactive Lessons

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

## Angles in Parallel Lines

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

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

## Pythagoras' Theorem - Finding the Hypotenuse

Students learn how to derive and apply Pythagoras' Theorem to find the hypotenuse of right-angled triangles.  A...
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## Pythagoras' Theorem - Shorter Sides

Students learn how to calculate a shorter side of a right-angled triangle using Pythagoras' Theorem.  As learni...
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Interactive Lessons

## Introducing Pythagoras' Theorem

Students discover Pythagoras’ Theorem through construction of Pythagorean triples.  As learning progresses stude...

### Mr Mathematics Blog

#### Surface Area of Cylinders

When I teach how to find the surface area of cylinders I like to add a constant level of challenge and enjoyment to the lesson.  Rather than repetitively calculating the surface area of a cylinder I introduce more complex cylindrical shapes. How to find the Surface Area of Cylinders To find the surface area of […]

#### 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 […]