Number

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Number

Adding and Subtracting in Standard form

Students learn how to use non-calculator methods to solve addition and subtraction problems involving standard f...

Adding Fractions using a Fraction Wall

Students learn how to add fractions with different denominators using equivalent fraction diagrams.  As learning...

Addition and Subtraction with Fractions and Mixed Numbers

Students learn how to perform addition and subtraction with fractions and mixed numbers.  As learning progresses...

Addition with Decimal Numbers

Students learn how to perform addition with decimal numbers using place value and the column method.  Number pyr...

Addition with Negative Numbers

Students learn how to perform addition with negative numbers  Later in the lesson they are challenged to work wi...

Alternative Number Systems

Students investigate alternative number systems including the Roman and Egyptian systems.  Less able students cr...

Calculating a Percentage Change

Students learn about calculating a percentage change using a decimal multiplier.  Learning progresses from findi...

Calculating a Repeated Percentage Change

Students learn how to calculate a repeated percentage change using decimal multipliers.  As learning progresses ...

Calculating a Simple Interest in Financial Mathematics

Students learn about calculating a simple interest in financial mathematics. Learning progresses from calculatin...

Calculating Fractions of an Amount

Students learn about calculating fractions of an amount using both diagrams and written methods.The start of...

Calculating Speed, Distance and Time

Using ratio notation students learn how to calculate the speed when given distance and time.  As learning progre...

Calculations with Fractions and Mixed Numbers

Students apply their learning with fractions and mixed numbers to solve a wide range of calculations with fracti...

Comparing Fractions with Different Denominators

Using a fraction wall and equivalent fractions students learn about comparing fractions with different denominat...

Comparing Positive and Negative Numbers

Students learn about comparing positive and negative numbers and calculating the difference between the two.  Th...

Comparing the size of numbers

Students learn about comparing the size of numbers using the place value table.  They use greater and less than ...

Converting between fractions, decimals and percentages

>Using the place value table and equivalent fractions students learn about converting between fractions, deci...

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 […]