- AlgebraSolving for x Hockey Path · Lens 1: Mathone- and two-step equations, x on both sides, squares and square rootsGoes with: The Math of Hockey
- ChemistryBalancing equations Chemistry Path · Lens 1: Mathcounting atoms, coefficients, combustion, acid + baseGoes with: The Math of Chemistry · The Language of Chemistry
- Ratios & proportionRatios, scaling & units Cooking Path · Lens 1: Mathratios, baker’s percentages, scale factors, unit price, °F to °C, pan areaGoes with: The Math of Cooking
- Ratios & proportionFractions, ratios & exponents Piano Path · Lens 1: Mathsemitones, scales, beats as fractions, tempo, 3:2 vs 27/12, powers of 2Goes with: The Math of Piano
- Ratios & proportionRatios, frames & percent Media Path · Lens 1: Mathaspect ratios, frame rates, slow motion, thirds, pixels, chopped axes, feed scoresGoes with: The Math of Media
- Ratios & proportionTempo, counts & stage geometry Dance Path · Lens 1: MathBPM, eight-counts, clave and tihai cycles, reflections, rotations, stage diagonals, turnsGoes with: The Math of Dance
- Ratios & proportionPercent, scale & timing Theatre & Shakespeare Path · Lens 1: Mathbox office, budgets, 1:25 models, stage distances, lighting, decibels, break-evenGoes with: The Math of Theatre & Shakespeare
- Ratios & proportionPercent, ratio & pH Cosmetics Path · Lens 1: Mathdensity, percent recipes, scaling, ratios, pH powers of 10, SPF, shelf life, surveysGoes with: The Math of Cosmetics
- Rates & modelsRates & stopping distance Automobiles Path · Lens 1: Mathspeed, L/100 km, trip cost, v² braking, depreciation, linear systemsGoes with: The Math of Automobiles
- Rates & modelsRates, half-life & test results Medicine Path · Lens 1: Mathunits, mL/h, percents, powers, 1 − 1 ÷ R₀, half-life, false positives, riskGoes with: The Math of Medicine
- Rates & modelsPower, percent & efficiency Energy Path · Lens 1: MathkW vs kWh, barrels, capacity factor, percent change, efficiency, COP, squares and cubesGoes with: The Math of Energy
- Percent & financePercentages & compound interest Economy Path · Lens 1: Mathpercent change, percentage points, real vs nominal, A = P(1 + r)t, equilibriumGoes with: The Math of the Economy
- Percent & financeBreak-even, margin & markup Entrepreneurship Path · Lens 1: Mathprofit, fixed and variable costs, break-even, margin vs markup, interest, GSTGoes with: The Math of Entrepreneurship
- Percent & financeVotes, budgets & polls Government Path · Lens 1: Mathplurality vs majority, ranked ballots, seat shares, per capita, tax brackets, margin of errorGoes with: The Math of Government
- Percent & financeInterest, rates & probability Law Path · Lens 1: Mathdeadlines, simple interest, payday-loan rates, rates per 100,000, base rates, Jordan ceilingsGoes with: The Math of Law
- Geometry & trigonometryPythagoras & trigonometry Soccer Path · Lens 1: Matha² + b² = c², coordinates, tan⁻¹, vectors, factoring quadraticsGoes with: The Math of Soccer
- Geometry & trigonometrySpeed, wind & trigonometry Aviation Path · Lens 1: Mathknots, headings, chart scale, wind triangles, crosswind sin/cos, glide slopes, fuel massGoes with: The Math of Aviation
- Geometry & trigonometryAngles, levers & reaction time Martial Arts Path · Lens 1: Mathtorque, levers, tipping angles, ruler-drop timing, scoring, weight-class percentagesGoes with: The Math of Martial Arts
- Geometry & trigonometryMeasurement, circles & percent Clothing Path · Lens 1: Mathcm and inches, ease, seam allowance, circle skirts, fabric cost, discounts, shrinkageGoes with: The Math of Clothing
- Big numbersScientific notation & scale Space Path · Lens 1: Mathpowers of ten, light-time, scale models, Kepler’s law, quadraticsGoes with: The Math of Space
- Area & volumeArea, volume & slope Building & Architecture Path · Lens 1: Mathplan scale, area, volume, paint and flooring, pitch, Pythagoras, stairsGoes with: The Math of Building & Architecture
- Area & volumeArea, percent & growing days Gardening & Farming Path · Lens 1: Mathbed volume, N-P-K percents, germination, rain in litres, frost dates, GDDGoes with: The Math of Gardening & Farming
- Area & volumeArea, volume & pace Swimming Path · Lens 1: Mathpool area and volume, sloped floors, currents as vectors, pace and splits, pressureGoes with: The Math of Swimming
- Probability & statisticsScale, chance & sampling Biology Path · Lens 1: Mathmagnification, SA:V, doubling, Punnett squares, quadrats, mark–recaptureGoes with: The Math of Biology
- Probability & statisticsVectors, chance & expected value Video Games Path · Lens 1: Mathvectors, ms per frame, drop rates, expected value, DPS, parabolasGoes with: The Math of Video Games
- CalculusDerivatives & integrals Calculus Path · Lens 1: Mathaverage rate, limits, power rule, tangents, max/min, Riemann sums, chain rule, related ratesGoes with: The Math of Calculus
- Logic & algorithmsBinary, logic & algorithms Coding & AI Path · Lens 1: Mathbinary, variables, loops, and/or, accuracy, mean vs median, coordinates, binary searchGoes with: The Math of Coding & AI
27 practice sheets, one for each learning path. Every answer on every key is checked by computer before a sheet is built.