IB Mathematics · Topic list · Page 9

510 topic ideas for the Mathematics IA and Extended Essay – page 9.

25 topics per page for faster mobile loading; search and filters cover all 510 ideas.

Page 9 of 21

Topic ideas 201 to 225 of 510.

Every title is followed by two sentences explaining the investigation and possible use of differential calculus, integral calculus, statistics or probability. When used, search and filters automatically cover the complete catalogue.

Planning guidance, not official topic approvalThe IA, EE, AA, Math AI, SL and HL classifications are editorial guidance. The current subject guide, assessment session, mathematical depth, focus and school approval remain decisive.
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Course
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Page 9: topics 201–225 of 510

Mixed topic list for the Mathematics IA and Mathematics Extended Essay
No. Topic idea A C P M S
201 Astronomy & spaceflightThe distribution of asteroids in the Solar System

The investigation explores how “The distribution of asteroids in the Solar System” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
3 6 1 17 0
202 Psychology & cognitionCalculating an optimal group size for effective learning

The investigation asks which conditions produce the best outcome for “Calculating an optimal group size for effective learning” and how sensitive that optimum is to changed assumptions. Differential calculus and integral calculus support optimisation and total-effect calculations, while statistics and probability show whether the result remains stable with variable or uncertain data.

Differential calculus · Integral calculus · Statistics · Probability
1 6 1411 13 3
203 Probability & riskCalculating the risk of base-rate errors in everyday decisions

The investigation explores how “Calculating the risk of base-rate errors in everyday decisions” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
3 9 112 1319 0
204 Culinary mathematicsThe mathematics of laminated dough folds

The investigation explores how “The mathematics of laminated dough folds” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
3 3 1 0 0
205 ThermodynamicsMelting rate of ice shapes: volume, surface area and form

The focus is on describing “Melting rate of ice shapes: volume, surface area and form” through geometric quantities, proportions and a testable model. Geometry and trigonometry form the core, while differential calculus and integral calculus can investigate curvature, area or volume and statistics and probability can evaluate measurement variation.

Differential calculus · Integral calculus · Statistics · Probability
1 3 1 231 0
206 Material propertiesFermentation: carbon dioxide loss from yeast-sugar solutions of different concentrations

The investigation explores how “Fermentation: carbon dioxide loss from yeast-sugar solutions of different concentrations” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
1 9 1 216 0
207 ElectricityPhotovoltaic power loss under partial shading in series and parallel circuits

The investigation explores how “Photovoltaic power loss under partial shading in series and parallel circuits” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
1 8 1311 571013 1
208 Combined experimentsHeat capacity of coins made from different alloys

The investigation explores how “Heat capacity of coins made from different alloys” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
1 3 112 2316 0
209 Kitchen & everyday lifeSurface-temperature patterns after different forms of exercise

The investigation examines how “Surface-temperature patterns after different forms of exercise” develops over time or in response to a changing variable and which model best represents the pattern. Differential calculus can determine rates of change and integral calculus can capture total effects, while statistics and probability help assess measurement error, variation and model fit.

Differential calculus · Integral calculus · Statistics · Probability
1 6 1312 319 3
210 EnvironmentHousehold waste separation: mass of different fractions per week

The investigation explores how “Household waste separation: mass of different fractions per week” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
1 6 15 2 0
211 Algebra & number theoryThe Collatz conjecture: convergence behaviour for different starting values

The focus is on the discrete patterns and rules behind “The Collatz conjecture: convergence behaviour for different starting values”, investigated systematically with original examples, algorithms or simulations. Combinatorics, statistics and probability are often central, while differential calculus and integral calculus become useful only when a continuous comparison model or limiting process is added.

Differential calculus · Integral calculus · Statistics · Probability
2 2 710 0 0
212 Analysis & calculusParameter changes in the logistic function

The focus is on the mathematical structures and reasoning behind “Parameter changes in the logistic function”, developed through original examples, derivations or simulations. Depending on the focus, differential calculus or integral calculus can reveal the analytical structure, while statistics and probability are useful when simulations or datasets are also analysed.

Differential calculus · Integral calculus · Statistics · Probability
3 8 911 0 0
213 Statistics & probabilityBayes' theorem and the reliability of medical tests

The focus is on the mathematical structures and reasoning behind “Bayes' theorem and the reliability of medical tests”, developed through original examples, derivations or simulations. Depending on the focus, differential calculus or integral calculus can reveal the analytical structure, while statistics and probability are useful when simulations or datasets are also analysed.

Differential calculus · Integral calculus · Statistics · Probability
3 2 1012 0 3
214 Mathematical modellingModelling the spread of wildfires

The investigation explores how “Modelling the spread of wildfires” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
2 8 679 13 0
215 Geometry & topologyCalculating sightlines in a theatre or concert hall

The focus is on describing “Calculating sightlines in a theatre or concert hall” through geometric quantities, proportions and a testable model. Geometry and trigonometry form the core, while differential calculus and integral calculus can investigate curvature, area or volume and statistics and probability can evaluate measurement variation.

Differential calculus · Integral calculus · Statistics · Probability
1 3 268 113 0
216 Financial mathematicsModelling the effect of inflation on purchasing power

The investigation explores how “Modelling the effect of inflation on purchasing power” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
1 6 11 13 0
217 Logic, set theory & proofModelling logic puzzles with propositional logic

The focus is on the mathematical structures and reasoning behind “Modelling logic puzzles with propositional logic”, developed through original examples, derivations or simulations. Depending on the focus, differential calculus or integral calculus can reveal the analytical structure, while statistics and probability are useful when simulations or datasets are also analysed.

Differential calculus · Integral calculus · Statistics · Probability
1 3 111 13 0
218 Discrete mathematics & computer scienceModelling game strategies with game trees

The investigation explores how “Modelling game strategies with game trees” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
3 9 1811 13 0
219 Applied & interdisciplinary mathematicsThe mathematics of perfume: evaporation and diffusion

The investigation explores how “The mathematics of perfume: evaporation and diffusion” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
3 9 18 16 0
220 Game theory & decision-makingModelling negotiation strategies with cooperative game theory

The focus is on the discrete patterns and rules behind “Modelling negotiation strategies with cooperative game theory”, investigated systematically with original examples, algorithms or simulations. Combinatorics, statistics and probability are often central, while differential calculus and integral calculus become useful only when a continuous comparison model or limiting process is added.

Differential calculus · Integral calculus · Statistics · Probability
3 5 1811 13 0
221 Biomathematics & medicineModelling the spread of antibiotic resistance in bacterial populations

The investigation explores how “Modelling the spread of antibiotic resistance in bacterial populations” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
2 2 1711 13 3
222 Environmental mathematics & sustainabilityOptimising solar-panel orientation for maximum energy yield

The investigation asks which conditions produce the best outcome for “Optimising solar-panel orientation for maximum energy yield” and how sensitive that optimum is to changed assumptions. Differential calculus and integral calculus support optimisation and total-effect calculations, while statistics and probability show whether the result remains stable with variable or uncertain data.

Differential calculus · Integral calculus · Statistics · Probability
3 9 1611 10 0
223 Sports biomechanics & movementCalculating stability in different yoga poses using centre of mass

The investigation explores how “Calculating stability in different yoga poses using centre of mass” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
3 3 123 171315 0
224 Data science & introductory algorithmsTime-series analysis: forecasting share prices with moving averages

The focus is on the discrete patterns and rules behind “Time-series analysis: forecasting share prices with moving averages”, investigated systematically with original examples, algorithms or simulations. Combinatorics, statistics and probability are often central, while differential calculus and integral calculus become useful only when a continuous comparison model or limiting process is added.

Differential calculus · Integral calculus · Statistics · Probability
3 6 1 0 0
225 Music, acoustics & wavesAnalysing the mathematical structure of canons and fugues

The investigation explores how “Analysing the mathematical structure of canons and fugues” can be described and compared quantitatively using original measurements or suitable open data. Statistics and probability can test relationships, variation and uncertainty, while differential calculus and integral calculus can extend trend models through rates of change or cumulative effects.

Differential calculus · Integral calculus · Statistics · Probability
3 3 18 9 0
Code legend

What A, C, P, M and S mean.

The table stays narrow on a phone by replacing long descriptions with numeric codes. Entries may contain several P and M codes.

AAssessment type
1
Internal Assessment (IA)
2
Mathematics Extended Essay (EE)
3
Potentially suitable for an IA or EE, depending on focus and mathematical depth
CCourse and level
1
Mathematics AA SL
2
Mathematics AA HL
3
Mathematics AA at SL or HL
4
Mathematics AI SL
5
Mathematics AI HL
6
Mathematics AI at SL or HL
7
Mathematics AA or AI at SL
8
Mathematics AA or AI at HL
9
Mathematics AA or AI at SL or HL
PWays to demonstrate independent direction and personal engagement
1
Own data, measurements, observations or experiment
2
Own photographs, drawings, constructions or models
3
Own sport, video, GPS or tracker context
4
Own school or class survey or observation
5
Own everyday, household, consumer or financial data
6
Local context: environment, buildings, traffic, climate or nature
7
Own programming, simulation or algorithm
8
Personal interest: music, art, games, design or another hobby
9
Public data selected, prepared and analysed independently
10
Own conjecture, proof idea, generalisation or theoretical comparison
11
Own modelling decision, construction, optimisation or adaptation
12
Critical comparison of assumptions, errors, limitations or ethical issues
MMeasuring instruments, tools or data access
0
No specialist physical instrument; a calculator, CAS, spreadsheet or open data may be sufficient
1
Ruler, tape measure, calliper or protractor
2
Balance or precision scale
3
Contact thermometer or temperature data logger
4
Infrared thermometer or thermal camera
5
Multimeter or another electrical measuring instrument
6
Stopwatch or timer
7
Camera or smartphone for photographic and video analysis
8
GPS device or fitness tracker
9
Microphone, sound-level meter or audio-analysis software
10
Light meter, light sensor or solar sensor
11
Conductivity, pH or salinity meter
12
Weather instruments, such as an anemometer or rain gauge
13
Computer, spreadsheet, CAS, GeoGebra, Desmos or Python
14
Survey form, data sheet or observation record
15
Force sensor or spring balance
16
Laboratory glassware, measuring cylinder or pipette
17
Telescope, binoculars or a suitable camera
18
Humidity or material-moisture sensor
19
Non-invasive physiology sensor, such as heart-rate or reaction-time measurement
20
Physical model, 3D printer or material samples
21
Specialist school laboratory equipment
SSafety and data protection
0
Likely to be low risk within normal school practice
1
Supervision recommended, for example for heat, electricity, sport or traffic observation
2
Carry out only in a school laboratory or with qualified supervision
3
Sensitive personal or health data: consent, anonymisation and preferably secondary data; no medical self-intervention

Turn an idea into an independent investigation.

Guidance on focus, independent direction, safety and data use is provided on the first page of the topic list.

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