SAT Math

the digital SAT Math domains

111 of 136 skills covered

covered · partial · not yet · excluded

Domain 1: Algebra (≈35% of the test, 13–15 questions)

skilllessons
1Solve one-step and multistep linear equations (integer, fractional, decimal coefficients)Solving Linear Equations, Equations with Brackets, Equations with Fractions, Algebraic Notation✓ covered
2Variables on both sides; parentheses/distributionEquations with the Unknown on Both Sides, Equations with Brackets, Expanding Brackets✓ covered
3Create a linear equation modelling a context and solve itForming Equations, Writing Formulas from Words✓ covered
4Determine the number of solutions of a linear equation (0, 1, infinitely many)How Many Solutions an Equation Has✓ covered
5Find the coefficient/constant giving no solution or infinitely many solutionsChoosing a Coefficient to Fix the Solution Count✓ covered
6Interpret the solution of a linear equation in contextForming Equations✓ covered
7Create/write a linear equation in two variables modelling a relationshipWriting Formulas from Words✓ covered
8Compute and interpret slope, x- and y-intercepts, in and out of contextMissing: the x-intercept of a line — the string "x axis" appears nowhere in the catalogCoordinate Geometry, Gradient from Two Points, Distance-Time Graphs◐ partial
9Find a line's equation from two points, a point + slope, a table, or a graphMissing: from a point and a slope, and from a graphThe Equation of a Line Through Two Points, Writing Formulas from Words◐ partial
10Convert between forms of a linear equation (slope-intercept, standard, point-slope)Writing a Line as Ax + By = C, Point-Slope Form of a Line✓ covered
11Connect algebraic representation and graphy = mx + c, Coordinate Geometry, Simultaneous Equations✓ covered
12Slope criteria for parallel and perpendicular linesGradients of Parallel and Perpendicular Lines, Parallel and Perpendicular Lines✓ covered
13Identify coordinates of points on a line; verify a point lies on a lineMissing: verifying whether a given ordered pair satisfies a given lineThe Coordinate Plane, Coordinate Geometry◐ partial
14Interpret the meaning of a part of a linear equation in contextWriting Formulas from Words, Distance-Time Graphs, Coordinate Geometry✓ covered
15Function notation for linear functions; evaluate f(x); find input for a given outputFunction Notation, Inverse Functions✓ covered
16Create a linear function modelling a constant rate of changeWriting Formulas from Words✓ covered
17Interpret slope and y-intercept of a linear function in contextDistance-Time Graphs, Writing Formulas from Words, y = mx + c✓ covered
18Interpret a specific input-output pair in contextWriting Formulas from Words✓ covered
19Connect table, graph, equation and verbal description of a linear functionMissing: graph → table and graph → verbal; no lesson closes the loop across all fourWriting Formulas from Words, y = mx + c◐ partial
20Compute the constant average rate of change over an intervalGradient from Two Points✓ covered
21How a translation of a linear function affects equation and graphbut only on y = x²; the linear case is never shownTransforming Graphs◐ partial
22Compare two linear functions in different representationsMissing: comparison across differing representations (one as a graph, one as a table/equation)Gradients of Parallel and Perpendicular Lines◐ partial
23Solve a system by substitutionSimultaneous by Substitution✓ covered
24Solve a system by eliminationSimultaneous by Elimination, Solving Simultaneous Equations by Scaling✓ covered
25Solve a system graphically; interpret as an intersectionSimultaneous Equations, Intersections of Graphs✓ covered
26Create a system of two linear equations modelling a context, and solve itWriting a Pair of Equations from a Word Problem✓ covered
27Number of solutions of a system; parameter values for each caseHow Many Solutions a Pair of Equations Has, Choosing a Coefficient in a Pair of Equations✓ covered
28Solve for a combination of the variables (e.g. x + y)Solving for x + y Without Finding x and y✓ covered
29Interpret the solution of a system in contextWriting a Pair of Equations from a Word Problem✓ covered
30Solve linear inequalities in one variable, including the negative-divide flipInequalities, Two-Step Inequalities✓ covered
31Create a linear inequality representing a constraint in a contextForming an Inequality in Two Variables✓ covered
32Graph a linear inequality in two variables; half-plane; boundary included or notGraphing an Inequality in Two Variables✓ covered
33Solve and graph systems of two linear inequalities; points in the solution regionThe Overlap of Two Inequality Regions✓ covered
34Determine whether an ordered pair satisfies an inequality or a systemone-variableInteger Solutions of Inequalities◐ partial
35Interpret a solution/non-solution in context, incl. greatest/least possible valuesStill missing: greatest/least possible values asked IN a contextInteger Solutions of Inequalities, Forming an Inequality in Two Variables◐ partial

Domain 2: Advanced Math (≈35% of the test, 13–15 questions)

skilllessons
36Add, subtract, multiply polynomials; combine like termsLike Terms, Expanding Brackets, Expanding Two Brackets✓ covered
37Expand products incl. special products (square of a binomial, difference of squares)Expanding Two Brackets, Algebraic Identities✓ covered
38Factor: GCF, trinomials, difference of squares, groupingFactoring by Common Factor, Factoring Quadratics, Factoring Quadratics with a Leading Coefficient✓ covered
39Rewrite rational expressions: simplify, common denominator, ± × ÷, polynomial/synthetic divisionMissing: division of one rational expression by another, and worked examples with algebraic denominators — the fraction lessons are still x/2 + x/3 rather than (x+1)/(x−2)Algebraic Fractions, Adding and Multiplying Algebraic Fractions, Long Division of Polynomials◐ partial
40Laws of exponents (product, quotient, power, negative, zero, rational)Laws of Indices, The Power of a Power Rule, Zero and Negative Indices, Fractional Indices✓ covered
41Radical ↔ rational-exponent notation; simplify radicalsFractional Indices, Radicals, Adding and Multiplying Radicals, Rationalizing the Denominator, Squares and Square Roots, Cubes and Cube Roots✓ covered
42Rewrite exponential expressions to reveal equivalent growth/decay ratesMissing: the actual rewrite — changing the compounding interval (annual ↔ monthly) or the base to display an equivalent rate. "monthly"/"annual" appear in no lesson of this strandLaws of Indices, The Power of a Power Rule, Exponential Growth, Exponential Decay, Percentage Increase◐ partial
43Complete the square; convert among standard, factored and vertex formsCompleting the Square, Factoring Quadratics, Expanding Two Brackets✓ covered
44Use structure to rewrite complex expressions (treat a sub-expression as one quantity)Treating a Bracket as a Single Quantity✓ covered
45Solve a formula/literal equation for a variable of interestChanging the Subject of a Formula, Making a Twice-Appearing Letter the Subject✓ covered
46Determine unknown coefficients by equating two equivalent expressionsFinding Unknown Coefficients by Matching✓ covered
47Determine the most suitable form of an expression to display a featureMissing: the which-form-for-this-feature question — planned as the exam-item lesson "Choosing the Form of a Quadratic"Completing the Square, Solving by Factoring, Sketching from Vertex and Factored Form◐ partial
48Solve quadratics by factoring / zero-product propertySolving by Factoring, Factoring Quadratics, Factoring Quadratics with a Leading Coefficient✓ covered
49Solve quadratics by square roots, completing the square, and the quadratic formulaThe Quadratic Formula, Completing the Square, Squares and Square Roots, Deriving the Quadratic Formula✓ covered
50Discriminant: number/nature of real solutions, incl. parameter values giving 0/1/2The Discriminant and the Nature of the Roots, Always Positive or Always Negative Quadratics, When a Line Meets, Touches or Misses a Curve✓ covered
51Solve absolute value equationsSolving Absolute Value Equations✓ covered
52Solve radical equations, rejecting extraneous solutionsSolving Equations with a Square Root✓ covered
53Solve rational equations with restrictions and extraneous solutionsStill missing for this row: the same check on a rational EQUATION — fractional-equations never tests its roots against the denominator it clearedFractional Equations, Solving a Rational Inequality◐ partial
54Solve polynomial equations in or reducible to factored formSolving by Factoring, Factor and Remainder Theorem✓ covered
55Solve exponential equationsSolving Exponential Equations, Growth and Decay Problems✓ covered
56Solve a linear + nonlinear system algebraically and graphicallyIntersections of Graphs, Quadratic and Cubic Graphs, A Linear Equation Paired with a Quadratic✓ covered
57Interpret intersection points as the solutions of a systemIntersections of Graphs, Simultaneous Equations✓ covered
58Parameter values giving a specified number of solutions (e.g. a line tangent to a parabola)When a Line Meets, Touches or Misses a Curve, Always Positive or Always Negative Quadratics✓ covered
59Sum or product of the roots without solvingThe Sum and Product of the Roots✓ covered
60Function notation with nonlinear functions; evaluate; find inputs for given outputsMissing: finding the INPUT for a given nonlinear output — every generator runs forwards from xFunction Notation, Quadratic Graphs, Quadratic and Cubic Graphs, Reciprocal Graphs, Exponentials and Logarithms, Domain and Range, The Graph of y = |x|◐ partial
61Domain restrictions of rational and radical functionsDomain and Range✓ covered
62Key features of quadratics: vertex, max/min, axis of symmetry, zeros, y-interceptMissing: "axis of symmetry" as a NAMED term and reading a quadratic's y-interceptCompleting the Square, Solving by Factoring, Quadratic Graphs, Sketching from Vertex and Factored Form◐ partial
63Choose the most suitable form of a quadratic and convert between formsMissing: the choosing half — planned as the exam-item lesson "Choosing the Form of a Quadratic"Completing the Square, Factoring Quadratics, Sketching from Vertex and Factored Form◐ partial
64Create and use quadratic functions to model contextsMissing: projectile/revenue modelling and interpreting a vertex as a maximum in context — "projectile" and "revenue" occur nowhereForming Quadratic Equations◐ partial
65Key features of exponentials: initial value, growth/decay factor, percent change per intervalExponential Growth, Exponential Decay, Compound Interest, Depreciation, Percentage Increase✓ covered
66Create and use exponential growth/decay modelsGrowth and Decay Problems, Compound Interest, Depreciation, Exponential Growth, Exponential Decay✓ covered
67Distinguish linear vs exponential vs quadratic situationsSimple versus Compound Interest, Exponential Growth, y = mx + c✓ covered
68Zeros and factors: f(a) = 0 ⇔ (x − a) is a factor; remainder = f(a)Factor and Remainder Theorem, Solving by Factoring✓ covered
69Interpret key features of a nonlinear graph in contextMissing: maxima/minima and end behaviour of a nonlinear model read in a real contextDistance-Time Graphs, Speed-Time Graphs, Interpolation and Extrapolation, The Gradient of a Curve◐ partial
70Connect equation, table, graph and verbal description of a nonlinear functionMissing: table ↔ graph and verbal ↔ graph for nonlinear functions; the table-of-values route exists only for linearQuadratic and Cubic Graphs, Quadratic Graphs, Reciprocal Graphs◐ partial
71Effect of translations/transformations on equation, graph and key featuresTransforming Graphs, Completing the Square✓ covered
72Interpret a constant, coefficient, factor, term or input-output pair of a nonlinear modelMissing: interpreting a coefficient or factor of a nonlinear function that models a contextCompound Interest, Writing Formulas from Words◐ partial
73Compute and compare the average rate of change of a nonlinear function over an intervalThe Average Rate of Change Over an Interval✓ covered
74Identify/match graphs of quadratic, exponential, absolute value and polynomial/rational functionsQuadratic Graphs, Quadratic and Cubic Graphs, Reciprocal Graphs, Exponentials and Logarithms, Logarithmic Graphs, The Graph of y = |x|, Taking the Modulus of a Whole Expression, Replacing x with a Modulus✓ covered

Domain 3: Problem-Solving and Data Analysis (≈15% of the test, 5–7 questions)

skilllessons
75Ratios and equivalent ratios (part-to-part, part-to-whole)Ratio, Part-to-Whole Ratios, Tidying a Ratio, Three-Part Ratios, Bar Models for Ratio✓ covered
76Compute and apply unit ratesRates, Comparing Unit Rates, The Unitary Method✓ covered
77Set up and solve proportions, incl. scale drawings and mapsProportion by Unit Value, Map Scales, Scale Factor, Direct Proportion✓ covered
78Proportional relationships y = kx; constant of proportionalityDirect Proportion, The Constant of Proportionality, Inverse Proportion✓ covered
79Unit conversions within and between measurement systems, incl. multistepMissing: conversions between systems — no imperial units appear (feet, pounds, gallons all return nothing)Converting Lengths, Converting Units of Area, Meters, Centimeters and Kilometers, Grams and Kilograms, Milliliters and Liters, Reading Scales◐ partial
80Derived units (speed, density, unit price); dimensional analysisSpeed, Average Speed, Density, Rates, Rate, Total, Units, Comparing Unit Rates✓ covered
81Multistep problems combining ratios, rates, proportions and conversionsProportion by Unit Value, Combining Two Ratios, Before-and-After Ratio Problems, Ratios with a Constant Part, Rate, Total, Units✓ covered
82Percent of a quantity; find part, whole, or percentPercentage, Finding a Percent, Reverse Percentages✓ covered
83Convert among fractions, decimals and percentsFractions, Decimals and Percents, Ratio, Fraction, Percent, 0.5 Is a Half✓ covered
84Percent increase, decrease and percent changePercentage Increase, Percentage Change, Taking a Percent Off✓ covered
85Successive/compound percent change; discount, markup, tax, tip, simple interestTaking a Percent Off, Simple Interest, Compound Interest, Depreciation✓ covered
86Reverse percentage — original value from a changed valueReverse Percentages✓ covered
87Interpret and compare percentages from data tablesComparing with Percent, Reading Tables, Two-Way Tables✓ covered
88Read one-variable displays: dot plots, histograms, frequency tables, bar graphs, box plotsDot Diagrams, Histograms, Frequency Density, Tally and Frequency Tables, Bar Charts, Reading Bar Charts, Box and Whisker, Stem and Leaf, Pie Charts✓ covered
89Mean, median, mode, range, incl. from a frequency tableThe Mean, Median and Mode, Range and IQR, Averages from a Frequency Table, Mean of Grouped Data✓ covered
90Compare two data sets using centre and spreadComparing Data Sets, Measures of Spread, Range and IQR, Standard Deviation✓ covered
91Standard deviation conceptually — which distribution has greater spreadMeasures of Spread, Standard Deviation, Standard Deviation: Ungrouped, Standard Deviation: Grouped✓ covered
92Effect of changes to a data set on mean/median/range; outliersMeasures of Central Tendency✓ covered
93Choose the measure of centre appropriate to a skewed distributionMeasures of Central Tendency, Comparing Data Sets✓ covered
94Read scatterplots and line graphs; identify points and trendsScatter Plots, Line Graphs, Time Series✓ covered
95Describe association: positive/negative, linear/nonlinear, strong/weakCorrelation, Scatter Plots✓ covered
96Fit a line of best fit; predict; compare predicted vs actualLine of Best Fit, Interpolation and Extrapolation, The Least-Squares Regression Line, Predicting from a Regression Line✓ covered
97Interpret the slope and intercepts of a linear model of data in contextThe Least-Squares Regression Line✓ covered
98Select the appropriate model type for data: linear vs exponential vs quadraticMissing: any question that selects a model for given data or a given contextSimple versus Compound Interest◐ partial
99Interpret the parameters of a fitted model; evaluate how well it fitsThe Least-Squares Regression Line, Pearson’s Correlation Coefficient, Critical Values of r✓ covered
100Probability of a simple event as favourable ÷ totalSingle-Event Probability, Sample Space, The Probability Scale✓ covered
101Relative frequencies and probabilities from frequency and two-way tablesTwo-Way Tables, Experimental Probability, Tally and Frequency Tables, Probability in Set Notation✓ covered
102Conditional probability, incl. from two-way tablesConditional Probability, Conditional Probability Notation, Conditional Probability from Tables✓ covered
103Complement of an eventComplementary Events, The Chance of At Least One✓ covered
104Use probabilities to predict expected counts in a groupExpected Counts from a Chance, The Law of Large Numbers✓ covered
105Use a sample statistic to estimate a population parameterPopulations and Samples, Point Estimates, Capture and Recapture✓ covered
106Interpret margin of error; interval of plausible valuesConfidence Intervals✓ covered
107What affects margin of error (larger sample → smaller margin)Standard Error✓ covered
108Role of random sampling in producing representative estimatesSampling Methods✓ covered
109Distinguish observational studies from experimentsObservational Studies and Experiments✓ covered
110What each design supports: random assignment → causation; random sampling → generalisationObservational Studies and Experiments, Sampling Methods, Correlation Is Not Causation✓ covered
111Identify the population results extend to; spot overreaching conclusionsMissing: naming the specific population an estimate may be generalised toObservational Studies and Experiments, Sampling Methods, Correlation Is Not Causation◐ partial

Domain 4: Geometry and Trigonometry (≈15% of the test, 5–7 questions)

skilllessons
112Perimeter and area of triangles, rectangles, parallelograms, trapezoids, polygons, compositesArea and Perimeter, Area of a Triangle, Area of a Parallelogram, Area of a Trapezium, Area of Composite Shapes✓ covered
113Circumference and area of circlesCircumference and Diameter, Area of a Circle✓ covered
114Volume and surface area of prisms, cylinders, pyramids, cones, spheres; find a missing dimensionMissing, narrowed 2026-08-26: volume-of-a-cuboid now reverses (layers = volume ÷ base) and cubes-and-cube-roots finds a cube's edge from its volume; the cylinder/cone/sphere reverse cases still run forwards onlyVolume of a Cuboid, Prisms and Cylinders, Pyramids and Cones, Spheres, Surface Area of a Cuboid, Surface Area of a Cylinder, Cones and Spheres, Nets, Cubes and Cube Roots◐ partial
115Scale factors: effect on perimeter, area and volumeScale Factor, Scaling Area, Scaling Area and Volume, Ratio of Areas, Ratio of Volumes✓ covered
116Multistep real-world problems modelled by 2D/3D figuresArea of Composite Shapes, Prisms and Cylinders, Nets, Plans and Elevations, Density✓ covered
117Vertical angles, linear pairs, complementary/supplementary, angles at a pointAngles at a Point, Angles on a Line, Vertically Opposite Angles, Angles✓ covered
118Parallel lines cut by a transversalAngles in Parallel Lines, Parallel and Perpendicular Lines✓ covered
119Triangle angle sum and the exterior angle theoremAngles in a Triangle✓ covered
120Properties of isosceles and equilateral triangles (base angles, equal sides)Missing: the base-angles-are-equal property of an isosceles triangle — "isosceles" appears in no geometry lesson's teachingExact Sine, Cosine and Tangent at 30, 45 and 60°, Rhombus and Kite◐ partial
121Interior/exterior angle sums of polygonsAngles in a Polygon, The Interior Angle of a Regular Polygon✓ covered
122Congruence and similarity of triangles; proportional sides of similar figuresCongruence Tests, Similarity Conditions, Similar Shapes, Ratio of Areas✓ covered
123Multistep problems combining scale factors, similarity and angle theoremsMissing: indirect measurement — no shadow/flagpole problem exists, and no question chains similarity with an angle theoremSimilar Shapes, Scale Factor, Map Scales, Enlargement with a Center◐ partial
124Pythagorean theorem and converse, incl. inside larger figuresPythagoras’ Theorem, Finding a Shorter Side with Pythagoras’ Theorem, Proving Pythagoras by Dissection, The Distance Between Two Points, The Slant Height of a Cone, The Converse of Pythagoras’ Theorem✓ covered
125Special right triangles: 45-45-90 and 30-60-90 side ratiosExact Sine, Cosine and Tangent at 30, 45 and 60°✓ covered
126Sine, cosine, tangent as right-triangle side ratiosSine, Cosine and Tangent✓ covered
127Use right-triangle trigonometry to find sides or anglesSolving Right Triangles, Finding an Angle from a Ratio, Elevation and Depression✓ covered
128Cofunction relationship sin(x°) = cos(90° − x°)Sine and Cosine of Complementary Angles, Complementary Angles✓ covered
129Similarity of right triangles relates trigonometric ratiosSine, Cosine and Tangent, Similarity Conditions, Similar Shapes✓ covered
130Unit-circle trigonometry beyond acute anglesSine and Cosine of Angles Past 90 Degrees, Trigonometric Identities, Every Solution of a Trigonometric Equation✓ covered
131Convert between degrees and radiansRadians, Arc Length and Sector Area✓ covered
132Equation of a circle in the xy-plane; centre and radius, incl. by completing the squareThe Equation of a Circle, Center and Radius by Completing the Square✓ covered
133Central angles, arc measures and arc lengthsArcs and Sectors, Arc Length and Sector Area, Chords, Arcs, Sectors and Segments, Angle at the Center✓ covered
134Sector areas from central anglesArcs and Sectors, Arc Length and Sector Area✓ covered
135Properties of radii, diameters, chords, tangents, central and inscribed anglesAngle in a Semicircle, Angle at the Center, Angles in the Same Segment, Cyclic Quadrilaterals, Tangent Properties, The Alternate Segment Theorem, Chords and the Center✓ covered
136Combine circle properties with other geometryThe Alternate Segment Theorem, Tangent Properties, Angle in a Semicircle, The Slant Height of a Cone✓ covered
Practice these in the app

Other syllabuses: Singapore PSLE Mathematics · Singapore O-Level Mathematics · GCSE Mathematics (Higher) · Singapore A-Level H2 Mathematics