required (hard)helpful (soft)NumberComputational FluencyPatterns & AlgebraGeometry & MeasurementData & ProbabilityCalculusComputer ScienceFinancial LiteracyLife ScienceChemistryPhysicsEarth & Space ScienceEnvironmental ScienceScience PracticesPhonics & FoundationsReading & ComprehendingVocabulary & Word StudyGrammar & ConventionsWriting & CreatingLiterature & AnalysisOral & Spoken Language
Target↳ Abacus, counting rods and quipuTools and TechnologyG11
↳ The 'average man' and where it went wrongProbability and StatisticsG11
↳ Additive or positional? Comparing numeration systemsNumber and Number SystemsG11
↳ Counting people: censuses, death tables, insuranceProbability and StatisticsG11
↳ The normal distribution and the 68-95-99.7 ruleApplications of StatisticsG11
↳ Probability was born at the gambling tableProbability and StatisticsG11
↳ Standard deviation: how spread out is it?Applications of StatisticsG11
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
learn the items on the left, then this · hover a card to trace its chain · click a lessoned card to open it