# Year 9 Term 4

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# Year 9 Term 4

##### Number
Interactive Lessons

## Addition and Subtraction with Fractions and Mixed Numbers

Students learn how to perform addition and subtraction with fractions and mixed numbers.  As learning progresses...
##### Handling Data
Interactive Lessons

## Frequency Trees

Students learn how to create frequency trees from two-way tables and written descriptions.  As learning progress...
##### Shape
Interactive Lessons

## Area of Parallelograms and Trapezia

Students learn how to calculate the area of parallelograms and trapeziums by considering how a parallelogram can...
##### Shape
Interactive Lessons

## Perimeter of Shapes

Students learn how to measure the perimeter of 2D shapes. by counting and later by creating and using a formula....
##### Shape
Interactive Lessons

## Area of Irregular Shapes

Students learn how to find the area of irregular shapes by grouping.  As learning progresses they are challenged...
##### Shape
Interactive Lessons

## Area of Compound Shapes

Students learn how to calculate the area of compound rectilinear shapes by splitting the shapes up into two or m...
##### Shape
Interactive Lessons

## Area of Triangles

By considering a right angled triangle as half a rectangle the students are guided through deriving the formula ...
##### Shape
Interactive Lessons

## Area of Rectangles

Students learn how to find the area of a rectangle first by counting, then repeated addition, basic multiplicati...
##### 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

## Angles in a Triangle

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

## Constructing Regular Polygons

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

## Interior and Exterior Angles

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

## Adding Fractions with Different Denominators

To add and subtract fractions with different denominators students are taught to use equivalent fractions to fin...

### 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 […]