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

Calculating the Volume of a Pyramid

When calculating the volume of a pyramid we can substitute the values of the length, width and perpendicular height into the formula V = 1/3 lwh.  In my experience this is often provided for the students with little explanation as to why a volume of a pyramid is exactly one third the volume of a […]

Solving 3D Problems using Trigonometry

When teaching solving 3D problems using trigonometry we begin the lesson with a recap of Pythagoras’ Theorem and the three trigonometric ratios.  We do this by matching the ratio and equations to the respective right-angled triangle.   Students are encouraged to work in pairs and to show the diagrams as part of the working out on […]

Rounding to a significant figure

When I teach rounding to a significant figure, I ask the class to discuss in pairs or small groups a definition for the word significant.  It is a word that all the students have heard before but not all are able to define. After 2 or 3 minutes of conversation I ask the students to […]