Year 9 Term 2

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Year 9 Term 2

Expanding Cubic Expressions

Students learn how to write the product of three binomials by expanding a cubic expression. Learning progresses ...

Factorising Expressions with Powers

Students learn how to factorise expressions with powers by taking out the highest common factor.  As learning pr...

Proportion and Recipes

Students learn how to use proportion and ratio notation to adjust recipes for different amounts.  As learning pr...

Nets of Solids

Nets of Solids: Students learn how to visualise a solid 3D shape from its net and how different nets can create ...

Isometric Drawings

Students learn how to draw three-dimensional shapes using isometric paper.  As learning progresses they are chal...

Elevation Drawings

To draw elevation drawings of 3D shapes students are taught to align the front, plan and side views of cuboids a...

Properties of 3D Shapes

Students learn how to distinguish between various solids using the correct vocabulary to describe their unique g...

Ordering Negative Numbers

Students learn to use a number line to order and compare negative and positive numbers.  As learning progresses ...

Multiplying and Dividing with Negatives

Students learn how to multiply and divide with negative numbers through a range of teaching activities including...

Adding and Subtracting with Negative Numbers

Adding and subtracting with negative numbers is taught through the use of a number line.  As learning progresses...

Simplifying Ratios

The start of the lesson is used to review matching simple proportions with their corresponding diagrams.  The de...

Sharing to a Ratio

The start of the lesson is used to review sharing a sum of money equally between three people.   The development...

Proportional Reasoning

The start of the lesson is used to review simplifying and calculating equivalent ratios.   The development phase...

Substitution Into Algebraic Expressions

Students learn how to substitute known values into algebraic expressions using algebra notation and the order of...

Expanding Algebraic Expressions

Students learn how to expand algebraic expression from a set of brackets.  As learning progresses they find the ...

Factorising Quadratics ax^2 + bx + c

Students learn how to factorise quadratics in the form ax2 + bx + c involving positive and negative terms into t...

Mr Mathematics Blog

Comparing Datasets using the Mean and Range

In my experience, students, in general, find the concept of a mean straightforward to calculate and understand. However, the mean alone does not provide a complete picture of a set of data. To achieve this, a measure of spread is also required. The range is the simplest measure that can be used for this. Not […]

Solving Problems with Angles in Parallel Lines

Solving problems with angles in parallel lines is like solving a murder mystery.  One clue leads on to the next and the next until the murderer is found.  However, it doesn’t end there.  The detectives need to explain their reasoning in court using the relevant laws and procedures should the murderer plead not guilty.  If […]

Solving Two Step Equations using the Balance Method

An equation is when one expression, or term, is equal to another.  To solve an equation means to find the value of the variable (represented by a letter) that makes the two expressions equal.  There are two types of equations for secondary school mathematics, linear and none-linear.  In this blog I write about how I […]