Algebraic Fractions

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Algebraic Fractions

Algebraic Fractions Products & Quotients

In this mathematics lesson students learn how to multiply and divide with algebraic fractions.  As learning prog...

Adding and Subtracting Algebraic Fractions

The key idea with adding and subtracting algebraic fractions is to create common denominators.  As learning prog...

Equations with Algebraic Fractions

Students learn how to solve equations with algebraic fractions by finding common denominators and using the bala...

Simplifying Algebraic Fractions

When simplifying algebraic fractions students first need to be able to factorize and expand linear as well as qu...

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 […]