# Year 9 Term 6

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# Year 9 Term 6

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## 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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## 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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## 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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## 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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Students extend their understanding of angles in a triangles to calculate missing angles in a quadrilateral.  As...
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## 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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## 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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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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## 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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## 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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## 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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## Constructing Regular Polygons

Students learn how to construct regular polygons to investigate the relationship between interior and exterior a...
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## Interior and Exterior Angles

Students use the properties of regular polygons to calculate interior and exterior angles. As learning progresse...
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## 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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## Introducing Pythagoras’ Theorem

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

### Mr Mathematics Blog

#### Getting Ready for a New School Year

When getting ready for a new school year I have a list of priorities to work through. Knowing my team have all the information and resources they need to teach their students gives me confidence we will start the term in the best possible way.  Mathematics Teaching and Learning Folder All teachers receive a folder […]

#### Mathematics OFSTED Inspection – The Deep Dive

Earlier this week, my school took part in a trial OFSTED inspection as part of getting ready for the new inspection framework in September 2019. This involved three Lead Inspectors visiting our school over the course of two days. The first day involved a 'deep dive' by each of the Lead Inspectors into Mathematics, English […]

#### How to Solve Quadratics by Factorising

The method of how to solve quadratics by factorising is now part of the foundational knowledge students aiming for higher exam grades are expected to have.   Here is an example of such a question. Solve x2 + 7x – 18 = 0 In my experience of teaching and marking exam papers students often struggle with […]