Year 9 Term 5

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Year 9 Term 5

Algebra: Interactive Lessons
Equations with the Unknown on Both Sides
Ages 14 - 16

Equations with the Unknown on Both Sides

Students learn how to solve equations where the unknown appears on both sides.
Algebra: Interactive Lessons
Equations with Fractions
Ages 14 - 16

Equations with Fractions

Students learn how to use the balance method to solve equations involving fractions.
Handling Data: Interactive Lessons
Correlation and Causation
Ages 14 - 16

Correlation and Causation

Students use and plot scatter graphs to understand how correlation may not imply mean causation.
Handling Data: Free Resources
Plotting Scatter Graphs
Ages 14 - 16

Plotting Scatter Graphs

Students learn how to plot scatter graphs to identify whether any correlation exists between to measurements.
Handling Data: Interactive Lessons
Interpreting Scatter Graphs
Ages 14 - 16

Interpreting Scatter Graphs

Students learn how to use the line of best fit to estimate missing data values.
Shape: Interactive Lessons
Vector Addition and Subtraction
Ages 14 - 16

Vector Geometry

Students learn how to solve problems involving vector geometry.
Algebra: Interactive Lessons
Solving Simultaneous Equations Graphically
Ages 14 - 16

Solving Simultaneous Equations Graphically

Students learn how to solve a pair of simultaneous equations graphically.
Algebra: Interactive Lessons
Problems with Simultaneous Equations
Ages 14 - 16

Problems with Simultaneous Equations

Students learn how to set up and solve a pair of simultaneous equations.
Handling Data: Interactive Lessons
A GCSE Mathematics lesson slide on Venn diagrams by Mr Mathematics. The slide features a Venn diagram with two intersecting sets, M and E, displaying frequencies of 42, 16, 12, and 10 in the outer region. It prompts students to find the probability of the intersection P(M ∩ E) and the union P(M ∪ E).
Ages 14 - 16

Union and Intersection of Sets

Students learn how to calculate the union and intersection of sets using Venn diagrams.
Shape: Interactive Lessons
Translations using Vector Notation
Ages 14 - 16

Translations using Vector Notation

Students learn how to translate an object on a grid using vector notation.
Number: Interactive Lessons
Long Division
Ages 14 - 16

Long Division

Students learn how to perform long division using equivalent and simplified fractions.
Algebra: Interactive Lessons
Solving Simultaneous Equations
Ages 14 - 16

Solving Simultaneous Equations

Students learn how to solve a pair of simultaneous equation using the elimination method.
Shape: Interactive Lessons
Featured image for the column vectors lesson on mr-mathematics.com, showing vector notation for p, m, and n next to a coordinate translation grid.
Ages 14 - 16

Addition and Subtraction with Column Vectors

Students learn how to add and subtract with column vectors.
Algebra: Interactive Lessons
Complex Linear Equations
Ages 14 - 16

Complex Linear Equations

Students learn how to solve linear equations involving fractions
Algebra: Interactive Lessons
Simultaneous Equations by Substitution
Ages 14 - 16

Simultaneous Equations by Substitution

How to solve a pair of simultaneous equations using the substitution method.

Mr Mathematics Blog

Developing Mathematical Thinking Beyond Procedural Fluency

July 10, 2026
A research-backed case exploring why over-reliance on automated math homework platforms and repetitive worksheets lowers student expectations, and how departments can build genuine mathematical thinking.

Converting Between Fractions, Decimals and Percentages

July 4, 2026
How to teach converting between fractions, decimals and percentages.

From Key Skills to Deep Connections: Problem Solving in Secondary Maths

June 28, 2026
Four problem solving lessons to develop student's mathematical reasoning and communication skills.