Interactive Lessons

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Interactive Lessons

Factorising Expressions

Students learn how to factorise algebraic expressions using the highest common factor and basic algebraic notati...

Expanding Quadratics

Students learn how to expand the product of two brackets using the 'FOIL' method.  As learning progresses they...

Collecting Like Terms

Students learn how to simplify algebraic expressions by collecting like terms using basic algebraic notation.  A...

Simplifying Algebraic Products

Students learn how to simplify algebraic products using the rules of indices and basic algebraic notation.  As l...

Rounding to a Decimal Place

Students learn how to round a number to a given decimal place using place value.  As learning progresses they mo...

Rounding to Significant Figures

Students learn how to round a number to a significant figure using number lines and place value.  As learning pr...

Rounding to the Nearest Power of Ten

Students learn how to round any number to the nearest 10, 100 and 1000. As learning progresses students begin to...

Limits of Accuracy

Students learn how to calculate the limits of accuracy of rounded numbers.  As learning progresses they are chal...

Estimating Solutions by Rounding

Students learn how to estimate solutions by rounding numbers to a significant figure.  As learning progresses st...

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 […]