Mathematics
From counting to complex analysis. The backbone of the curriculum.
Primary
Arithmetic
Counting, addition, subtraction, multiplication, division, and mental shortcuts.
14 blocks · 81 skillsAges 4–12View curriculum →Fractions
Halves, quarters, thirds; notation a/b on number line; equivalence and comparison; ± × ÷; decimals/percent; bar model word problems.
9 blocks · 43 skillsAges 5–12View curriculum →Geometry
Shapes, attributes, symmetry, angles, perimeter, area, volume, transformations.
11 blocks · 56 skillsAges 5–12View curriculum →
Secondary
Pre-Algebra
Integers and rationals, expressions and equations, linear functions and slope, systems, exponents, Pythagoras, and stats/probability — calibrated to CCSS G7-G8 + Singapore Sec 1-2.
11 blocks · 70 skillsAges 12–14View curriculum →Algebra 1
Linear functions deep, polynomials, factoring, quadratic functions and equations, exponentials, sequences, radicals, rational expressions, and statistics with formal regression — the delta over pre-algebra, calibrated to CCSS HS Algebra/Functions + Singapore Sec 3-4.
11 blocks · 60 skillsAges 13–15View curriculum →Geometry (Secondary)
Formal proofs (two-column, paragraph, flow), congruence and similarity criteria, right-triangle and oblique trigonometry, advanced circle theorems, analytic geometry, 3D solids and constructions — calibrated to CCSS HS Geometry + Singapore Sec 3-4 + Cambridge IGCSE 0580 Extended.
11 blocks · 64 skillsAges 14–16View curriculum →
High school
Algebra 2
Logarithms, advanced polynomials and rationals, full trigonometry (unit circle, identities, equations), conics, complex numbers, matrices, and advanced probability with Bayes and the normal distribution. Calibrated to CCSS HS Algebra 2, IB AA SL Y1, and Cambridge AS 9709.
12 blocks · 88 skillsAges 15–18View curriculum →Pre-Calculus
The bridge from algebra to calculus: advanced functions, full trig identities, 2D and 3D vectors, parametric and polar curves, complex numbers in Euler form, and intuitive limits and derivatives. Calibrated to CCSS HS Functions, IB AA SL Y2, and Cambridge AS/A2 9709.
11 blocks · 66 skillsAges 16–18View curriculum →Calculus (Intro)
Single-variable calculus: limits, derivatives, integrals, sequences and Taylor series. Calibrated to AP Calculus BC, IB AA HL, and freshman college (MIT 18.01, Berkeley Math 1A–1B).
13 blocks · 94 skillsAges 17–19View curriculum →
College
Calculus II / Multivariable
Multivariable and vector calculus plus second-order ODEs, at the university freshman/sophomore level: partial derivatives, multiple integrals, vector fields, Green's, Stokes', divergence theorems, and mass-spring/RLC modeling. Calibrated to MIT 18.02 + 18.03, Berkeley Math 53–54, and Cambridge Tripos IA.
14 blocks · 98 skillsAges 18–20View curriculum →Linear Algebra
University-level linear algebra (1st–2nd year): from matrices and systems to eigenvalues, SVD, and applications like PCA and PageRank. The first Rodybee program calibrated entirely to university standards — MIT 18.06, Berkeley Math 54, Cambridge Tripos IA.
13 blocks · 92 skillsAges 18–20View curriculum →Differential Equations II / Mathematical Methods
Sophomore-level mathematical methods for engineers and physicists: Laplace transforms, systems of ODEs, phase portraits, series solutions, special functions (Bessel, Legendre), Fourier series and transform, and the heat / wave / Laplace equations. Calibrated to MIT 18.03 + 18.085, Berkeley Math 121A, and Cambridge Tripos IB Methods.
14 blocks · 102 skillsAges 19–20View curriculum →
Advanced
Complex Analysis
Junior/senior-level complex analysis: holomorphic functions, Cauchy-Riemann, contour integration, residues, Laurent series, conformal mapping, and the Riemann mapping theorem. Calibrated to MIT 18.04 + 18.112, Berkeley Math 185, and Cambridge Tripos IB Complex Analysis.
12 blocks · 91 skillsAges 20–21Coming soon