IGCSE revision guides
Straight answers to the questions that cost marks: what each paper looks like, what the command words want, and the mistakes we see most often in our lessons. Written for students, checked against the Cambridge syllabus.
For every subject
IGCSE Maths 0580
- StrategyHow to get an A* in IGCSE Maths 0580A clear plan for an A* in Cambridge IGCSE Maths 0580: Extended papers, non-calculator practice, accuracy rules, past papers and a weekly routine.
- Command wordsIGCSE Maths 0580 command words explainedWhat each IGCSE Maths 0580 command word means, from Work out to Show that and Sketch, with a short example of what the examiner wants to see.
- PapersIGCSE Maths 0580 paper structureIGCSE Maths 0580 papers explained: Core Papers 1 and 3, Extended Papers 2 and 4, marks, timings, calculator rules and grades available on each tier.
- Common mistakesCommon percentage mistakes in IGCSE MathsThe percentage mistakes that cost IGCSE Maths 0580 marks, from reverse percentages to compound interest, with a wrong and right worked example for each.
- Common mistakesCommon mistakes when solving equations in IGCSE MathsAvoid the most common IGCSE Maths 0580 equation mistakes: sign errors, simultaneous equations, quadratics and the formula, with wrong and right examples.
- Common mistakesCommon mistakes with standard form and boundsCommon IGCSE Maths 0580 mistakes with standard form and limits of accuracy: wrong powers, upper bounds like 7.34, and bounds in calculations, all fixed.
- Common mistakesCommon trigonometry mistakes in IGCSE MathsFix the trigonometry mistakes that cost IGCSE Maths 0580 marks: SOH CAH TOA, inverse trig, degree mode, and the sine and cosine rules, with worked examples.
IGCSE Biology 0610
- StrategyHow to get an A* in IGCSE Biology 0610A clear A* plan for IGCSE Biology 0610: Extended Papers 2, 4 and 6, exact key words, describe vs explain, graph questions and a weekly past paper routine.
- Command wordsIGCSE Biology 0610 command words explainedWhat describe, explain, suggest, evaluate and other IGCSE Biology 0610 command words mean, with a short biology example of how to answer each one.
- PapersIGCSE Biology 0610 paper structure (2026–2028)The IGCSE Biology 0610 papers for 2026 to 2028: Core and Extended routes, marks, timings, weightings and what each paper tests, including Paper 6.
- Common mistakesCommon mistakes in diffusion and osmosisThe most common IGCSE Biology 0610 mistakes on diffusion, osmosis and active transport, shown as wrong vs right answers so you can stop losing easy marks.
- Common mistakesCommon mistakes in enzyme questionsStop losing marks on enzymes in IGCSE Biology 0610. Wrong vs right answers for denatured, active site, optimum, rate calculations and graph descriptions.
- Common mistakesCommon mistakes in photosynthesis and respirationCommon IGCSE Biology 0610 mistakes on photosynthesis and respiration: swapped gases, energy "produced", lungs vs cells, and yeast vs muscles, with fixes.
- Common mistakesCommon mistakes in genetics and inheritanceAvoid the classic IGCSE Biology 0610 genetics mistakes: gametes, Punnett ratios, genotype vs phenotype, codominance and sex linkage, shown wrong vs right.
IGCSE Chemistry 0620
- StrategyHow to get an A* in IGCSE Chemistry 0620A clear plan for an A* in IGCSE Chemistry 0620: Extended papers, MCQ technique, mole calculations, equations, ion and gas tests, and Paper 6 skills.
- Command wordsIGCSE Chemistry 0620 command words explainedWhat every IGCSE Chemistry 0620 command word really asks for, from state and describe to explain and suggest, with a short chemistry example for each.
- PapersIGCSE Chemistry 0620 paper structureIGCSE Chemistry 0620 paper structure: Papers 1 to 6, marks, timings and weightings, Core vs Extended, and how Paper 5 differs from Paper 6.
- Common mistakesCommon mistakes in IGCSE Chemistry mole calculationsThe mole calculation mistakes that cost IGCSE Chemistry 0620 students marks, from upside-down division to cm³ vs dm³, with wrong and right answers.
- Common mistakesCommon mistakes in IGCSE Chemistry electrolysisAvoid the electrolysis mistakes that lose IGCSE Chemistry 0620 marks: swapped electrodes, moving electrons, wrong products and half-equations.
- Common mistakesCommon mistakes in IGCSE Chemistry bonding and structureIonic, covalent, giant covalent and metallic bonding mistakes that lose IGCSE Chemistry 0620 marks, with wrong and right answers side by side.
- Common mistakesCommon mistakes with ion tests, gas tests and saltsCommon IGCSE Chemistry 0620 mistakes with ion tests, gas tests, flame colours and making salts, with wrong and right answers to learn from.
- Common mistakesCommon mistakes in IGCSE organic chemistryOrganic chemistry mistakes that cost IGCSE Chemistry 0620 marks: bromine water, naming, cracking, ethanol, esters and polymers, shown wrong vs right.
IGCSE Physics 0625
- StrategyHow to get an A* in IGCSE Physics 0625A clear plan for an A* in IGCSE Physics 0625: Extended papers 2, 4 and 6, equations to recall, units, rearranging, graphs, practical skills and past papers.
- Command wordsIGCSE Physics 0625 command words explainedWhat each IGCSE Physics 0625 command word asks for, from calculate and explain to show that, with a short physics example and the exam rules for units.
- PapersIGCSE Physics 0625 paper structureIGCSE Physics 0625 papers explained: Core and Extended routes, marks, timings, weightings and what each paper tests, based on the 2026-2028 syllabus.
- Common mistakesCommon mistakes in IGCSE Physics forces and motionThe most common mistakes in IGCSE Physics 0625 forces and motion questions, from speed and acceleration to weight and moments, with wrong and right answers.
- Common mistakesCommon mistakes in IGCSE Physics electricityCommon IGCSE Physics 0625 electricity mistakes in charge, resistance, parallel circuits, power and transformers, each shown as a wrong answer beside a right one
- Common mistakesCommon mistakes in IGCSE Physics waves and lightAvoid the classic IGCSE Physics 0625 waves mistakes: amplitude, wave types, refraction, total internal reflection, echoes and the electromagnetic spectrum.
- Common mistakesCommon mistakes in IGCSE Physics thermal physics and energyCommon IGCSE Physics 0625 mistakes in energy stores, specific heat capacity, kelvin, melting and thermal transfer, with worked wrong-versus-right examples.