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Learn what a claim covers, explain why it works, and recognise an allowed case that shows it needs changing.
MethodMathematics & logicCounting and zeroCount each object once, explain the final count, and distinguish quantity, position and identifying labels. Make zero’s role explicit.
DefinitionMathematics & logicNumber lines and orderUse number-line positions to compare whole numbers. Read the scale, recognise equality, and distinguish numerical distance from drawing size.
DefinitionMathematics & logicAddition and subtractionCombine separate counts, remove a part, and find differences or missing parts. Connect objects, equations and number-line moves, then use tens and ones to regroup without changing value.
DefinitionMathematics & logicMultiplication and divisionCount equal groups, distinguish sharing from making groups, and check with multiplication. Split calculations into parts; interpret zero and remainders in context.
DefinitionMathematics & logicFractionsChoose a whole, count equal fractional units, and connect sharing with division. Place fractions on the number line, including values beyond one, and explain what their numerator and denominator mean.
DefinitionMathematics & logic · Physics · MeasurementRatios and ratesDistinguish part-to-part ratios, fractions of a whole and rates with units. Scale quantities together, compare unit rates, and explain when a relationship is proportional. Check zero cases, starting amounts and whether a result fits its context.
DefinitionMathematics & logic · Physics · MeasurementQuantities and unitsDescribe a quantity as a numerical value with a unit, and distinguish its physical kind from its dimension. Build length, area, volume and rate units, check meaningful combinations, and separate exact unit relations from measurement uncertainty.
DefinitionMathematics & logic · Physics · MeasurementUnit conversionsConvert quantities with exact unit ratios, track cancellation through compound units, and apply the correct powers to area and volume. Distinguish temperature readings from differences, check dimensions and context, and retain measurement uncertainty when reporting.
MethodMathematics & logic · Physics · MeasurementEstimation and uncertaintyDistinguish exact model values, rounded approximations and estimates from measurements. Declare the rounding rule, preserve information through calculations and unit changes, and interpret resolution, precision, accuracy and the stated uncertainty type without turning a report’s digits into guaranteed bounds.
DefinitionMathematics & logicVariables and expressionsUse symbols to name numbers or quantities, describe their allowed values, and evaluate expressions by replacing every occurrence consistently. Preserve grouping, signs, fractions and units, and distinguish a calculated value from solving an equation or proving two rules equivalent.
DefinitionMathematics & logicEquality and equationsRead equality as a relationship, find the permitted values that make an equation true, and justify one-step solutions by reversible operations on both sides. Work exactly with negative numbers and fractions, recognize all-solution and no-solution cases, and check the original equation, units and context.
DefinitionMathematics & logic · PhysicsCoordinates and tablesLocate a point from an ordered pair, read named axes and their scales, and connect the same values in words, tables and plots. Keep signs, fractions and units exact, distinguish an axis point from a quadrant point, and separate selected observations from a stated rule and its domain before drawing connections.
DefinitionMathematics & logic · PhysicsSlope and straight linesRead a straight line as a stated relationship, calculate its slope from consistent signed coordinate changes, and interpret its intersections with the axes. Keep horizontal, vertical and coincident-point cases distinct, attach units and domain conditions to context models, and use numerical scales rather than appearance alone to judge a line’s change.
DefinitionMathematics & logic · Physics · MeasurementReading graphsRead a graph’s quantities, units, ticks and context before judging its visual impression. Calculate differences, reference-based percentages and interval rates from the represented values; distinguish legitimate zoom from distorted spacing; and keep samples, interpolation, missing information, uncertainty and causal explanations separate.
MethodMathematics & logic · PhysicsApproximationsBuild a useful estimate, compare a correction with a stated reference scale, and check what is lost when you leave out a term.
ApproximationMathematics & logic · PhysicsSymmetry and invarianceSpecify a transformation, identify what stays unchanged, and distinguish symmetry of an object from invariance of a physical model.
Mathematical statementMathematics & logic · PhysicsVectorsDescribe displacement with fixed-axis components, combine compatible vectors, and use small exact examples to introduce span, independence, basis and real vector spaces.
DefinitionMathematics & logic · InformationClassical propositions and connectivesClassical logic combines truth-valued propositions using defined connectives.
DefinitionMathematics & logicAxioms, deduction and mathematical proofA mathematical proof derives a conclusion within stated assumptions and rules.
MethodMathematics & logic · InformationSets, membership and basic operationsA set specifies membership without counting duplicate listings.
DefinitionMathematics & logic · InformationFunctions, domain and codomainA function assigns exactly one output to each input in its domain.
DefinitionMathematics & logic · InformationMathematical inductionA base case and general successor step establish a predicate on all nonnegative integers.
MethodMathematics & logic · MeasurementEuclidean right triangles and the Pythagorean theoremIn a Euclidean right triangle, squared leg lengths sum to the squared hypotenuse length.
Mathematical statementMathematics & logic · PhysicsSine, cosine and the unit circleSine and cosine are unit-circle coordinates whose squared values sum to one.
Mathematical statementMathematics & logic · InformationComplex numbersA complex number has real coordinates a and b and an imaginary unit satisfying i²=−1.
DefinitionMathematics & logic · Information · PhysicsLinear maps and matrix representationA linear map preserves linear combinations and has a matrix once bases are chosen.
DefinitionMathematics & logicLimit of a real functionA finite limit controls output error through sufficiently small input distance.
DefinitionMathematics & logic · PhysicsDerivative at a pointA derivative is a finite limit of local difference quotients.
DefinitionMathematics & logic · PhysicsDefinite integral and signed accumulationA definite integral is the limiting signed accumulation of small contributions.
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