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What GCSE and A-level students say after revising with MathsGenie.

Harvey B. avatar

Harvey B.

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“This is such an amazing platform, it offers everything needed to improve your grade in a time efficient manor. Personally I love the videos as I am able to find areas that I am weak at in the practice papers.”
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Tameem R.

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“Genuinely took me from a grade 4 in maths to achieving a grade 8 in my GCSE's in less than a few months. Best mathematics revision website for those who are aiming to get those high grades.”
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Anyim P.

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“Genuinely I think every maths student should have this site. It takes you through the entire AS and A level Maths course, alongside exam questions with step by step solutions.”
Muhammad A. avatar

Muhammad A.

Student

“predicted papers are very useful and i believe there's not a better website for GCSE maths in the UK”
Rayan K. avatar

Rayan K.

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“Best Maths Resource out there! Absolutely amazing videos and very concise explantions on everything. Don't even get me started on the loads of exam question/worksheets that are so helpful. And it's all free!”
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Dee

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“The best Maths resource site in the world! They have it all and do a great job of keeping everything up to date. I still don't know how they are able to make this free for all. You are truly amazing.”
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Hamid I.

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“They have helped me with my A level Maths performance significantly and I jumped from a grade U to a Grade A in only 2-3 months. I HIGHLY recommend to Maths students especially for A level.”
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Sophie

Student

“MathsGenie's YouTube videos and worksheets are amazing. The videos go into such great depth but in a way that's simple to understand.”
Maria E. avatar

Maria E.

Student

“Amazing website! Truly helped with my GCSEs - I was a very poor student. Managed to go up and reach all grade 6-9's from U-4's. Would definitely recommend :)”
Justine K. avatar

Justine K.

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“Absolutely brilliant website with well organised, well written resources for learning or revising maths. I never hesitate to recommend mathsgenie to my students.”
Daryl G. avatar

Daryl G.

Student

“Took me a bit of getting used to but this new site is excellent. I found the old one really useful but this is next level. I share it with all my colleagues and students.”
Binuk J. avatar

Binuk J.

Student

“I used to be really bad at math. My first GCSE mocks I had a 2 but after I found MathsGenie I jumped from 2 to 4 under 3 months.”
Jourdie avatar

Jourdie

Student

“Improved my grade, I used to be borderline passing maths now I'm performing much better. There are videos, practice papers, solutions, exam questions, past GCSE papers all for free. This is really useful.”
Olla avatar

Olla

Student

“Honestly, it's super great. Easy, with the explanation on the side. Every topic also has more than 50 questions, making you feel more confident in doing different types f question in one topic. Try it!”

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Your maths questions, answered

Clear explanations for the questions that slow you down, with every step of the working shown.

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Energy transfers in and between organisms (A-level only)

What Factors Limit the Rate of Photosynthesis?

Learn how light intensity, carbon dioxide concentration and temperature limit photosynthesis, and how to identify the limiting factor on an AQA Biology graph.

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Organisms respond to changes in their internal and external environments (A-level only)

How Do Skeletal Muscles Contract? Sliding Filament Theory

Learn how skeletal muscles contract through the sliding filament theory, including the roles of calcium ions, actin, myosin and ATP in each contraction.

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Organisms respond to changes in their internal and external environments (A-level only)
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How Does the Kidney Control Water Balance?

Learn how ADH controls kidney water reabsorption, why the loop of Henle matters, and how negative feedback keeps blood water potential within limits in A Level Biology.

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Genetics, populations, evolution and ecosystems (A-level only)

How Does Genetic Drift Affect Populations?

Learn how genetic drift changes allele frequencies by chance, why its effects are strongest in small populations, and how it differs from natural selection.

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The control of gene expression (A-level only)

What Is the Role of Stem Cells in Gene Expression?

Learn how differential gene expression lets stem cells specialise in AQA A-level Biology, why transcription factors matter, and how adult cells become iPS cells.

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Genetics, populations, evolution and ecosystems (A-level only)

How Do You Use the Hardy-Weinberg Equation?

Learn how to use the Hardy-Weinberg equations to calculate allele and genotype frequencies, with a worked AQA A Level Biology example and a common exam mistake.

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Genetics, populations, evolution and ecosystems (A-level only)

What Is the Chi-Squared Test Used for in Genetics?

Learn how the chi-squared test checks observed genetic ratios against expected offspring numbers, with a worked AQA A Level Biology example and exam tip.

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Organisms respond to changes in their internal and external environments (A-level only)

How Does an Action Potential Work?

Learn how a neurone maintains its resting potential and how sodium ion movement causes depolarisation and an action potential in AQA A-level Biology.

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Genetics, populations, evolution and ecosystems (A-level only)

How Does Natural Selection Lead to Evolution and Speciation?

Learn how natural selection changes allele frequencies over generations and how reproductive isolation can turn diverging populations into separate species.

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The control of gene expression (A-level only)

How Do Mutations Affect Protein Structure?

Learn how DNA mutations can change amino acid sequences, protein folding and function, and why substitutions or changes in non-coding DNA may have no effect.

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The control of gene expression (A-level only)

PCR, Gene Sequencing and CRISPR: What Do They Do?

Learn how PCR copies DNA, gene sequencing reads bases and CRISPR edits DNA, with the key distinction between these technologies for AQA A-level Biology.

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Organisms respond to changes in their internal and external environments (A-level only)

How Does Homeostasis Control Blood Glucose?

Learn how insulin and glucagon control blood glucose by negative feedback, including glycogenesis, glycogenolysis and gluconeogenesis for AQA A Level Biology.

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The control of gene expression (A-level only)

How Does Genetic Engineering Work?

Learn how genetic engineering transfers a gene into another organism, from obtaining DNA and using a vector to transforming cells and identifying those modified.

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Genetics, populations, evolution and ecosystems (A-level only)

Allopatric vs Sympatric Speciation: What's the Difference?

Learn the difference between allopatric and sympatric speciation, how reproductive isolation leads to new species, and the key AQA Biology exam mistake to avoid.

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Genetics, populations, evolution and ecosystems (A-level only)

How Are Populations and Ecosystems Studied?

Learn how AQA A-level Biology studies populations and ecosystems using quadrats, transects and mark-release-recapture, plus carrying capacity and succession.

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The control of gene expression (A-level only)

How Is Gene Expression Controlled?

How is gene expression controlled? Learn how transcription factors, DNA methylation and histone acetylation affect genes in AQA A Level Biology, with exam tips.

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The control of gene expression (A-level only)

How Is Gene Technology Used in Medicine and Agriculture?

Learn how gene technology produces medicines such as insulin and insect-resistant crops, with the key DNA steps and an AQA Biology exam mistake to avoid.

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Biological molecules

What Role Do Inorganic Ions Play in Biology?

Learn how hydrogen, iron, sodium and phosphate ions support enzyme activity, oxygen transport, absorption, ATP and DNA in AQA A-level Biology, with an exam tip.

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5 Homeostasis and response

How Does Contraception Work? Hormonal and Non-Hormonal

Learn how hormonal and non-hormonal contraception prevent pregnancy, including the pill, condoms, intrauterine devices and sterilisation for AQA GCSE Biology.

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1.3 Transport in cells

Diffusion, Osmosis and Active Transport

Learn the difference between diffusion, osmosis and active transport, including movement direction, membranes, energy and clear GCSE Biology examples.

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5.2 The human nervous system

How the Nervous System Coordinates a Response

Learn how receptors, neurones, the central nervous system and effectors work together to coordinate responses to stimuli for AQA GCSE Biology revision.

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