Year 9 Term 1

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Year 9 Term 1

Square and Cube Numbers

Students are introduced to the concept of square and cube numbers through the use of diagrams of volumes and are...

Adding Fractions with Different Denominators

To add and subtract fractions with different denominators students are taught to use equivalent fractions to fin...

Recurring Decimals

Students learn the difference between terminating and recurring decimals and how to convert a recurring decimal ...

Multiplying Fractions

Students learn how to multiply fractions using visual and numerical methods.  As learning progresses 'cross sim...

Dividing Fractions and Mixed Numbers

Students learn how to divide with fractions and mixed numbers using numerical and calculator methods.  As learni...

Long Division

Students learn how to perform long division using equivalent and simplified fractions.  As learning progresses t...

Long Multiplication

Students learn how to perform long multiplication using ‘The Chinese Method’.  To progress students begin to app...

Multiplying and Dividing by Tens

To multiply and divide by powers of ten students are taught to use the place value table and shift the digits to...

Using the Range

The majority of the lesson is based around using the range to compare data sets in addition to an average.  Emph...

Stem & Leaf Diagrams

Students learn how to read data and calculate averages from a stem and leaf diagram.  As learning progresses stu...

Mean Average from Grouped Data

Students learn how to estimate the mean average from data in a grouped frequency table.  As learning progresses ...

Mean Average from a Frequency Table

Students learn how to calculate the mean average of discrete data from a frequency table.  As learning progresse...

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 […]