Key Stage 3

Showing 1–16 of 151 results

Key Stage 3

3D Shapes and Prisms

Students learn about 3D shapes and prisms using their cross section, faces, vertices and number of edges.  More ...

Adding Fractions using a Fraction Wall

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

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...

Alternate and Interior Angles in Parallel Lines

Students learn how to recognise and calculate alternate and interior angles in parallel lines.  As learning prog...

Alternative Number Systems

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

Angles of Elevation and Depression

Students learn how to construct and use scale drawings to measure angles of elevation and depression and unknown...

Area of Composite Shapes

Students learn how to find the area of composite shapes.  Learning progresses from counting the squares inside t...

Area of Triangles and Composite Shapes

Progressing on from finding the area of a triangle students calculate the area of composite shapes made up of tr...

Averages using the Median and Mode

Students learn about averages using the median and mode.  As learning progresses they use the averages to compar...

Bisecting an Angle

Students learn how to construct an angle bisector using a pair of compasses and ruler.  As learning progresses t...

Calculating a Percentage Change

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

Calculating a Probability from Sample Space Diagrams

Students learn how to create a sample space diagram to find the probability of two or more events. As learning p...

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 Probabilities from Two-Way Tables

Students learn how to calculate a probability from a two-way table.  As learning progresses students learn how t...

Mr Mathematics Blog

Angles in Polygons

There are two key learning points when solving problems with angles in polygons.  The first is to understand why all the exterior angles of a polygon have a sum of 360°.  The second is to understand the interior and exterior angles appear on the same straight line. Students can be told these two facts and […]

Getting Ready for a New School Year

When getting ready for a new school year I have a list of priorities to work through. Knowing my team have all the information and resources they need to teach their students gives me confidence we will start the term in the best possible way.  Mathematics Teaching and Learning Folder All teachers receive a folder […]

Mathematics OFSTED Inspection – The Deep Dive

Earlier this week, my school took part in a trial OFSTED inspection as part of getting ready for the new inspection framework in September 2019. This involved three Lead Inspectors visiting our school over the course of two days. The first day involved a 'deep dive' by each of the Lead Inspectors into Mathematics, English […]