Open the App

Subjects

MathsMaths2,888 views·Updated Jun 16, 2026·16 pages

Year 9 Math Knowledge Organizer

user profile picture
katana@canelakaare

You're diving into Year 9 maths - the year where...

1
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
2
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
3
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
4
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
5
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
6
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
7
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
8
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
9
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit
10
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.

Where can I download the Knowunity app?

You can download the app from Google Play Store and Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content: Proportional Reasoning

6
MathsMaths

Grade 9 Maths Solutions

Explore comprehensive solutions for Grade 9 Maths topics, including algebra, geometry, and statistics. This booklet covers essential concepts such as surds, transformations, probability, and more, providing step-by-step guidance to help you achieve top grades.

1013,9832,072
MathsMaths

Grade 7 Maths Solutions

Explore comprehensive solutions for Grade 7 Maths topics including sequences, geometry, probability, and more. This resource covers essential concepts such as circle theorems, vector operations, and quadratic equations, providing clear explanations and examples to enhance your understanding. Perfect for exam preparation and homework help.

108,1731,161
MathsMaths

Math Exam Solutions

Explore detailed solutions for a higher-level math exam covering key concepts such as ratios, proportions, transformations, volume calculations, and direct proportionality. This resource includes model answers for various problems, including frequency tables and geometric transformations, making it ideal for exam preparation.

104686
MathsMaths

Year 9 Foundation Assessment

Explore the Year 9 Foundation Assessment focusing on key mathematical concepts such as ratios, proportions, similar triangles, and scale factors. This assessment includes calculator-based questions and detailed solutions to enhance understanding. Ideal for students preparing for SATS Arithmetic and improving their skills in proportional relationships and decimal calculations.

85418
MathsMaths

GCSE Maths Higher Tier Practice

Enhance your exam readiness with this comprehensive practice paper for the Edexcel Level 1/Level 2 GCSE (9-1) Mathematics Higher Tier. This resource includes answered questions covering key concepts such as trigonometry, probability, statistics, and geometry. Ideal for students preparing for their GCSE exams, this paper helps reinforce understanding and application of mathematical principles.

99,451307
MathsMaths

Solving Ratio Algebra

Explore various types of ratio algebra problems, including linear and quadratic equations. This study note features worked examples, practice questions, and detailed solutions to enhance your understanding of equivalent ratios and proportional relationships. Ideal for exam preparation and mastering key concepts in ratios and proportions.

92426

Most popular content in Maths

9
MathsMaths

Comprehensive Maths Concepts

Explore essential mathematical concepts including powers, geometry, statistics, and probability. This resource features 65 pages of detailed explanations, diagrams, and examples to enhance your understanding of topics such as right triangles, volume calculations, and data representation. Ideal for students seeking to strengthen their numeracy skills and grasp complex mathematical principles.

1080,0256,321
MathsMaths

GCSE Maths (Higher) // Revision Guide

The only GCSE maths (higher) revision guide you need to get a grade 9! Contains every topic, each with all potential question types and their solutions.

102,57160
M
MathsMaths

Medium Level alerbra

Master challenging maths concepts with this medium level flashcard set designed for grade 7/8 students. Strengthen your problem-solving skills and boost your confidence in maths!

78333
M
MathsMaths

Mastering Maths: Essential Concepts for Grade 10

Boost your math skills with this comprehensive flashcard set covering key concepts for grade 10. Perfect for exam preparation and building a strong foundation in mathematics.

105411
M
MathsMaths

Mastering Medium-Level Maths: Essential Flashcards for Grade 11 Students

Boost your Maths skills with this comprehensive set of flashcards designed specifically for Grade 11 students. Covering medium-level topics, these cards will help you ace your exams and build a solid foundation for advanced Maths.

119553
MathsMaths

Comprehensive Maths Concepts

Explore essential mathematical concepts including polynomial theorems, logarithmic properties, trigonometric functions, and integration techniques. This resource covers everything from solving inequalities to understanding exponential functions, providing a solid foundation for A-level mathematics. Ideal for students aiming for top grades.

1222,0161,817
P
MathsMaths

Percentage,fractions and decimals

how well do you know percentages,fractions and decimals

73093
M
MathsMaths

Maths Made Easy: Essential Concepts for Grade 7

Master key mathematical concepts with this comprehensive flashcard set designed specifically for 13-year-old students. Strengthen your understanding and ace your exams!

77512
M
MathsMaths

maths SOHCAHTOA

Trigonometric ratios SOHCAHTOA for calculating angles and sides in right-angled triangles.

112220

Most popular content

9
SociologySociology

Sociology of Education Overview

Explore comprehensive A-Level Sociology notes on the education system, covering key theories, policies, and sociological perspectives. This resource includes insights on marketisation, gender roles, cultural deprivation, and educational inequalities, providing a thorough understanding of how education shapes social stratification and individual achievement. Ideal for exam preparation and in-depth study.

12102,8383,040
SociologySociology

Sociology of Families: Comprehensive Revision

Dive into an extensive overview of family dynamics, perspectives, and patterns in sociology. This resource covers key concepts such as family diversity, gender roles, marriage, and the impact of social policies on family structures. Perfect for A-Level Sociology students preparing for Paper 2.

1273,6362,306
CriminologyCriminology

Criminology: Crime & Punishment Overview

Comprehensive mindmaps covering key concepts in the Crime and Punishment topic for WJEC Criminology Unit 4. This resource includes detailed insights into the Criminal Justice System, crime prevention strategies, sentencing models, and the roles of various agencies. Ideal for A-Level revision, ensuring you grasp essential theories and legislative processes to excel in your exams.

1254,8591,059
SociologySociology

Comprehensive Crime & Deviance Overview

Explore an extensive revision of crime and deviance topics, including theories, types of crime, and the impact of media. This resource covers key concepts such as Marxism, functionalism, gender and crime, and the influence of globalization on criminal behavior. Ideal for students seeking a thorough understanding of criminology and its various theories. Type: Full Topic Revision.

1251,6441,399
C
BiologyBiology

Cell Biology and Cell structure

cell structures

93,2160
English LiteratureEnglish Literature

An Inspector Calls: Character Insights

Explore in-depth analysis and key quotes for characters in J.B. Priestley's 'An Inspector Calls'. This resource covers Gerald Croft, Inspector Goole, Sheila Birling, Mrs. Birling, Eric Birling, and Eva Smith, focusing on themes of class, gender roles, and social responsibility. Ideal for students aiming for Grade 8 and above.

1025,418907
CriminologyCriminology

WJEC Unit 4 Criminology

Criminology unit 4 detailed revision note

127,146125
CriminologyCriminology

Criminology Theories Overview

Explore key criminology theories and their implications on crime and deviance. This comprehensive summary covers biological, psychological, and sociological perspectives, including labelling theory, right realism, and the impact of social campaigns on policy development. Ideal for A-Level criminology students seeking to understand the complexities of criminal behaviour and the factors influencing crime prevention strategies.

129,757210
English LiteratureEnglish Literature

Romeo and Juliet: Key themes

Key Romeo and Juliet themes and analysed quotes

106,700198

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user

MathsMaths2,888 views·Updated Jun 16, 2026·16 pages

Year 9 Math Knowledge Organizer

user profile picture
katana@canelakaare

You're diving into Year 9 maths - the year where geometry, algebra, and numbers all come together to build the foundation for your GCSE studies. These topics might seem challenging at first, but they're actually incredibly useful for solving real-world...

1
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
2
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
3
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
4
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
5
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
6
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
7
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
8
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
9
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students
10
of 10
# YEAR 9 - CONSTRUCTING IN 2D/3D...
@whisto_maths
# Constructions & congruency

## What do I need to be able to do?
By the end of this unit

Sign up to see the content. It's free!

  • Access to all documents
  • Improve your grades
  • Join milions of students

We thought you’d never ask...

What is the Knowunity AI companion?

Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.

Where can I download the Knowunity app?

You can download the app from Google Play Store and Apple App Store.

Is Knowunity really free of charge?

That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.

Most popular content: Proportional Reasoning

6
MathsMaths

Grade 9 Maths Solutions

Explore comprehensive solutions for Grade 9 Maths topics, including algebra, geometry, and statistics. This booklet covers essential concepts such as surds, transformations, probability, and more, providing step-by-step guidance to help you achieve top grades.

1013,9832,072
MathsMaths

Grade 7 Maths Solutions

Explore comprehensive solutions for Grade 7 Maths topics including sequences, geometry, probability, and more. This resource covers essential concepts such as circle theorems, vector operations, and quadratic equations, providing clear explanations and examples to enhance your understanding. Perfect for exam preparation and homework help.

108,1731,161
MathsMaths

Math Exam Solutions

Explore detailed solutions for a higher-level math exam covering key concepts such as ratios, proportions, transformations, volume calculations, and direct proportionality. This resource includes model answers for various problems, including frequency tables and geometric transformations, making it ideal for exam preparation.

104686
MathsMaths

Year 9 Foundation Assessment

Explore the Year 9 Foundation Assessment focusing on key mathematical concepts such as ratios, proportions, similar triangles, and scale factors. This assessment includes calculator-based questions and detailed solutions to enhance understanding. Ideal for students preparing for SATS Arithmetic and improving their skills in proportional relationships and decimal calculations.

85418
MathsMaths

GCSE Maths Higher Tier Practice

Enhance your exam readiness with this comprehensive practice paper for the Edexcel Level 1/Level 2 GCSE (9-1) Mathematics Higher Tier. This resource includes answered questions covering key concepts such as trigonometry, probability, statistics, and geometry. Ideal for students preparing for their GCSE exams, this paper helps reinforce understanding and application of mathematical principles.

99,451307
MathsMaths

Solving Ratio Algebra

Explore various types of ratio algebra problems, including linear and quadratic equations. This study note features worked examples, practice questions, and detailed solutions to enhance your understanding of equivalent ratios and proportional relationships. Ideal for exam preparation and mastering key concepts in ratios and proportions.

92426

Most popular content in Maths

9
MathsMaths

Comprehensive Maths Concepts

Explore essential mathematical concepts including powers, geometry, statistics, and probability. This resource features 65 pages of detailed explanations, diagrams, and examples to enhance your understanding of topics such as right triangles, volume calculations, and data representation. Ideal for students seeking to strengthen their numeracy skills and grasp complex mathematical principles.

1080,0256,321
MathsMaths

GCSE Maths (Higher) // Revision Guide

The only GCSE maths (higher) revision guide you need to get a grade 9! Contains every topic, each with all potential question types and their solutions.

102,57160
M
MathsMaths

Medium Level alerbra

Master challenging maths concepts with this medium level flashcard set designed for grade 7/8 students. Strengthen your problem-solving skills and boost your confidence in maths!

78333
M
MathsMaths

Mastering Maths: Essential Concepts for Grade 10

Boost your math skills with this comprehensive flashcard set covering key concepts for grade 10. Perfect for exam preparation and building a strong foundation in mathematics.

105411
M
MathsMaths

Mastering Medium-Level Maths: Essential Flashcards for Grade 11 Students

Boost your Maths skills with this comprehensive set of flashcards designed specifically for Grade 11 students. Covering medium-level topics, these cards will help you ace your exams and build a solid foundation for advanced Maths.

119553
MathsMaths

Comprehensive Maths Concepts

Explore essential mathematical concepts including polynomial theorems, logarithmic properties, trigonometric functions, and integration techniques. This resource covers everything from solving inequalities to understanding exponential functions, providing a solid foundation for A-level mathematics. Ideal for students aiming for top grades.

1222,0161,817
P
MathsMaths

Percentage,fractions and decimals

how well do you know percentages,fractions and decimals

73093
M
MathsMaths

Maths Made Easy: Essential Concepts for Grade 7

Master key mathematical concepts with this comprehensive flashcard set designed specifically for 13-year-old students. Strengthen your understanding and ace your exams!

77512
M
MathsMaths

maths SOHCAHTOA

Trigonometric ratios SOHCAHTOA for calculating angles and sides in right-angled triangles.

112220

Most popular content

9
SociologySociology

Sociology of Education Overview

Explore comprehensive A-Level Sociology notes on the education system, covering key theories, policies, and sociological perspectives. This resource includes insights on marketisation, gender roles, cultural deprivation, and educational inequalities, providing a thorough understanding of how education shapes social stratification and individual achievement. Ideal for exam preparation and in-depth study.

12102,8383,040
SociologySociology

Sociology of Families: Comprehensive Revision

Dive into an extensive overview of family dynamics, perspectives, and patterns in sociology. This resource covers key concepts such as family diversity, gender roles, marriage, and the impact of social policies on family structures. Perfect for A-Level Sociology students preparing for Paper 2.

1273,6362,306
CriminologyCriminology

Criminology: Crime & Punishment Overview

Comprehensive mindmaps covering key concepts in the Crime and Punishment topic for WJEC Criminology Unit 4. This resource includes detailed insights into the Criminal Justice System, crime prevention strategies, sentencing models, and the roles of various agencies. Ideal for A-Level revision, ensuring you grasp essential theories and legislative processes to excel in your exams.

1254,8591,059
SociologySociology

Comprehensive Crime & Deviance Overview

Explore an extensive revision of crime and deviance topics, including theories, types of crime, and the impact of media. This resource covers key concepts such as Marxism, functionalism, gender and crime, and the influence of globalization on criminal behavior. Ideal for students seeking a thorough understanding of criminology and its various theories. Type: Full Topic Revision.

1251,6441,399
C
BiologyBiology

Cell Biology and Cell structure

cell structures

93,2160
English LiteratureEnglish Literature

An Inspector Calls: Character Insights

Explore in-depth analysis and key quotes for characters in J.B. Priestley's 'An Inspector Calls'. This resource covers Gerald Croft, Inspector Goole, Sheila Birling, Mrs. Birling, Eric Birling, and Eva Smith, focusing on themes of class, gender roles, and social responsibility. Ideal for students aiming for Grade 8 and above.

1025,418907
CriminologyCriminology

WJEC Unit 4 Criminology

Criminology unit 4 detailed revision note

127,146125
CriminologyCriminology

Criminology Theories Overview

Explore key criminology theories and their implications on crime and deviance. This comprehensive summary covers biological, psychological, and sociological perspectives, including labelling theory, right realism, and the impact of social campaigns on policy development. Ideal for A-Level criminology students seeking to understand the complexities of criminal behaviour and the factors influencing crime prevention strategies.

129,757210
English LiteratureEnglish Literature

Romeo and Juliet: Key themes

Key Romeo and Juliet themes and analysed quotes

106,700198

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.6/5App Store
4.7/5Google Play

The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.

Stefan SiOS user

This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha KlichAndroid user

Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.

AnnaiOS user