Formulae

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Formulae

Writing Formulae

Students learn how to write mathematical formulae using written descriptions.  As learning progresses students b...

Substitution into Formulae

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

Rearranging Formulae by Factorising

Students learn how to change the subject of a formula by factorising and the balance method.  A treasure hunt ac...

Rearranging Formulae

Rearranging formulae is a key topic at GCSE.  Students learn how to use the balance method and order of operatio...

Kinematics Formulae

In this mathematics lesson students learn how to apply and manipulate various kinematics formulae to solve and m...

Mr Mathematics Blog

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 […]

Calculating Instantaneous Rates of Change

When calculating instantaneous rates of change students need to  visualise the properties of the gradient for a straight line graph.   I use the starter activity to see if they can match four graphs with their corresponding equations. The only clue is the direction and steepness of the red lines in relation to the blue line […]

Converting Between Fractions, Decimals and Percentages

Fractions, decimals and percentages are ways of showing a proportion of something.  Any fraction can be written as a decimal, and any decimal can be written as a percentage.  In this blog I discuss how to use the place value table and equivalent fractions to illustrate how fractions, decimals and percentages are connected. You can […]