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K-12 math, science, geography, spelling and history. 399 sets, free to study, no sign-up.

• ACT Science TermsScience · 35 cards
• ACT VocabularyVocabulary · 40 cards
• ACT Vocabulary 2Vocabulary · 40 cards
• AP BiologyBiology · 50 cards
• AP Calculus FormulasCalculus · 39 cards
• AP ChemistryChemistry · 53 cards
• AP English Literary TermsLiterature · 42 cards
• AP Environmental ScienceEnvironmental Science · 45 cards
• AP European HistoryEuropean History · 46 cards
• AP Human GeographyHuman Geography · 44 cards
• AP MacroeconomicsMacroeconomics · 40 cards
• AP MicroeconomicsMicroeconomics · 42 cards
• AP Physics 1 FormulasPhysics · 35 cards
• AP Psychology IPsychology · 47 cards
• AP Psychology IIPsychology · 44 cards
• AP Research: Methodology TermsAP Seminar · 35 cards
• AP Seminar: Argumentation TermsAP Seminar · 34 cards
• AP Seminar: Research Methods VocabularyAP Seminar · 36 cards
• AP Seminar: Rhetorical Analysis TermsAP Seminar · 35 cards
• AP Seminar: Source Evaluation and CredibilityAP Seminar · 36 cards
• AP Seminar: Team Project and Presentation SkillsAP Seminar · 30 cards
• AP Spanish VocabSpanish · 45 cards
• AP Statistics TermsStatistics · 40 cards
• AP US GovernmentUS Government · 45 cards
• AP US History Terms IUS History · 52 cards
• AP US History Terms IIUS History · 48 cards
• AP World HistoryWorld History · 53 cards
• CLEP College AlgebraCLEP · 40 cards
• CLEP College CompositionCLEP · 36 cards
• CLEP US History ICLEP · 41 cards
• CLEP US History IICLEP · 43 cards
• IB BiologyIB Diploma · 46 cards
• IB ChemistryIB Diploma · 44 cards
• IB EconomicsIB Diploma · 40 cards
• IB EnglishIB Diploma · 41 cards
• IB HistoryIB Diploma · 40 cards
• IB Math: Analysis and ApproachesIB Diploma · 41 cards
• IB Theory of KnowledgeIB Diploma · 35 cards
• SAT Grammar RulesGrammar · 35 cards
• SAT Math FormulasMath · 35 cards
• SAT Vocabulary IVocabulary · 44 cards
• SAT Vocabulary IIVocabulary · 45 cards
• SAT Vocabulary IIIVocabulary · 46 cards
• SAT Vocabulary IVVocabulary · 44 cards
• SAT Vocabulary VVocabulary · 44 cards
• SAT Vocabulary VIVocabulary · 46 cards
• Álgebra de SecundariaMath · 30 cards
• Álgebra do Ensino MédioMath · 30 cards
• AP Art History: Global TraditionsArt History · 39 cards
• AP Art History: Required WorksArt History · 45 cards
• AP Biology: Cellular Energetics and CommunicationBiology · 37 cards
• AP Biology: EcologyBiology · 39 cards
• AP Biology: EvolutionBiology · 40 cards
• AP Biology: Genetics and Information TransferBiology · 46 cards
• AP Biology: Molecules and CellsBiology · 45 cards
• AP Calculus AB, Unit 1: Limits and ContinuityCalculus · 18 cards
• AP Calculus AB, Unit 2: Differentiation: Definition and Fundamental PropertiesCalculus · 19 cards
• AP Calculus AB, Unit 3: Differentiation: Composite, Implicit, and Inverse FunctionsCalculus · 15 cards
• AP Calculus AB, Unit 4: Contextual Applications of DifferentiationCalculus · 14 cards
• AP Calculus AB, Unit 5: Analytical Applications of DifferentiationCalculus · 16 cards
• AP Calculus AB, Unit 6: Integration and Accumulation of ChangeCalculus · 16 cards
• AP Calculus AB, Unit 7: Differential EquationsCalculus · 13 cards
• AP Calculus AB, Unit 8: Applications of IntegrationCalculus · 12 cards
• AP Calculus BC ConceptsCalculus · 41 cards
• AP Calculus BC: Series and SequencesCalculus · 34 cards
• AP Chemistry: Acids, Bases, and SolutionsChemistry · 40 cards
• AP Chemistry: Atomic Structure and BondingChemistry · 44 cards
• AP Chemistry: Gases and SolutionsChemistry · 40 cards
• AP Chemistry: Kinetics and EquilibriumChemistry · 38 cards
• AP Chemistry: Stoichiometry and ReactionsChemistry · 40 cards
• AP Chemistry: Thermodynamics and ElectrochemistryChemistry · 38 cards
• AP Computer Science A: Data StructuresComputer Science · 35 cards
• AP Computer Science A: Java ConceptsComputer Science · 40 cards
• AP Computer Science PrinciplesComputer Science · 40 cards
• AP Environmental Science: Agriculture and Land UseEnvironmental Science · 34 cards
• AP Environmental Science: Climate ChangeEnvironmental Science · 40 cards
• AP Environmental Science: Earth Systems and Biogeochemical CyclesEnvironmental Science · 41 cards
• AP Environmental Science: Ecosystems and BiodiversityEnvironmental Science · 40 cards
• AP Environmental Science: Energy ResourcesEnvironmental Science · 40 cards
• AP Environmental Science: Human Population DynamicsEnvironmental Science · 35 cards
• AP Environmental Science: Key VocabularyEnvironmental Science · 35 cards
• AP Environmental Science: Pollution and Resource UseEnvironmental Science · 42 cards
• AP Environmental Science: Sustainability and ConservationEnvironmental Science · 35 cards
• AP Environmental Science: Toxicology and Human ImpactEnvironmental Science · 35 cards
• AP European History: 1450 to 1648European History · 40 cards
• AP European History: 1815 to PresentEuropean History · 44 cards
• AP European History: Cold War and Contemporary EuropeEuropean History · 41 cards
• AP European History: Enlightenment and Scientific RevolutionEuropean History · 40 cards
• AP European History: French Revolution and NapoleonEuropean History · 38 cards
• AP European History: Renaissance and ReformationEuropean History · 37 cards
• AP European History: World Wars and TotalitarianismEuropean History · 38 cards
• AP Gov: Civil Liberties and Civil RightsUS Government · 36 cards
• AP Gov: Federalism and InstitutionsUS Government · 35 cards
• AP Gov: Foundational DocumentsUS Government · 34 cards
• AP Gov: Interest Groups and the MediaUS Government · 35 cards
• AP Gov: Political Parties, Campaigns, and ElectionsUS Government · 35 cards
• AP Gov: Public Policy and the BureaucracyUS Government · 34 cards
• AP Gov: Supreme Court CasesUS Government · 35 cards
• AP Human Geography: Agriculture and Rural Land UseHuman Geography · 39 cards
• AP Human Geography: Cultural Patterns and ProcessesHuman Geography · 40 cards
• AP Human Geography: Geographic Tools and MethodsHuman Geography · 35 cards
• AP Human Geography: Industrialization and Economic DevelopmentHuman Geography · 41 cards
• AP Human Geography: Key Vocabulary and ModelsHuman Geography · 40 cards
• AP Human Geography: Political and Urban GeographyHuman Geography · 40 cards
• AP Human Geography: Population and MigrationHuman Geography · 40 cards
• AP Macroeconomics Key VocabularyMacroeconomics · 34 cards
• AP Macroeconomics: Graphs and FormulasMacroeconomics · 35 cards
• AP Macroeconomics: International Trade and Exchange RatesMacroeconomics · 36 cards
• AP Microeconomics Key VocabularyMicroeconomics · 35 cards
• AP Microeconomics: Graphs and FormulasMicroeconomics · 35 cards
• AP Physics 1: Mechanics ConceptsPhysics · 38 cards
• AP Physics 1: Momentum Energy and RotationPhysics · 38 cards
• AP Physics 2: Electricity, Magnetism, and OpticsPhysics · 39 cards
• AP Physics 2: Fluids, Thermodynamics, and WavesPhysics · 38 cards
• AP Physics C: Electricity and MagnetismPhysics · 40 cards
• AP Physics C: Mechanics ConceptsPhysics · 40 cards
• AP Psychology: Famous StudiesPsychology · 36 cards
• AP Psychology: Social and ClinicalPsychology · 40 cards
• AP Spanish Literature TermsSpanish · 40 cards
• AP Statistics Key VocabularyStatistics · 37 cards
• AP Statistics: Formulas and TestsStatistics · 33 cards
• AP World History: Ancient and Classical CivilizationsWorld History · 40 cards
• AP World History: c.1200 to 1450World History · 40 cards
• AP World History: c.1450 to 1750World History · 38 cards
• AP World History: c.1750 to PresentWorld History · 45 cards
• AP World History: Key Vocabulary and ConceptsWorld History · 40 cards
• APUSH Period 1-2: Colonial FoundationsUS History · 39 cards
• APUSH Period 3-4: Revolution and Early RepublicUS History · 45 cards
• APUSH Period 5-6: Expansion and IndustrializationUS History · 44 cards
• APUSH Period 7-8-9: Modern AmericaUS History · 42 cards
• Biologia CelularBiology · 30 cards
• Biología CelularBiology · 30 cards
• European History Key Vocabulary and TermsEuropean History · 35 cards
• Física BásicaPhysics · 30 cards
• Física BásicaPhysics · 30 cards
• História do BrasilHistory · 30 cards
• Historia MundialWorld History · 30 cards
• Human Geography: Economic Development IndicatorsHuman Geography · 35 cards
• Human Geography: Religion and Language PatternsHuman Geography · 35 cards
• Latin and Greek RootsVocabulary · 52 cards
• Química BásicaChemistry · 30 cards
• Química BásicaChemistry · 30 cards
• US History: Founding Documents and AmendmentsUS History · 34 cards
• US History: Immigration and the Industrial AgeUS History · 35 cards
• US History: Key Presidents and Their AdministrationsUS History · 40 cards
• US History: Native American HistoryUS History · 35 cards
• US History: The Civil Rights MovementUS History · 34 cards
• US History: The Cold War EraUS History · 37 cards
• US History: The Great Depression and New DealUS History · 34 cards
• US History: The Progressive Era and Women's SuffrageUS History · 33 cards
• US History: Vietnam War EraUS History · 35 cards
• US History: World War I and IIUS History · 40 cards
• 化学基礎Chemistry · 30 cards
• 数学（代数）Math · 30 cards
• 日本史概要History · 30 cards
• 物理基礎Physics · 30 cards
• 細胞生物学Biology · 30 cards
• 3D Shapes: Volume and Surface AreaMath · 36 cards
• ACT English RulesGrammar · 31 cards
• ACT English: Grammar and UsageGrammar · 35 cards
• ACT English: Rhetorical SkillsGrammar · 32 cards
• ACT Math FormulasMath · 34 cards
• ACT Math: Advanced TopicsMath · 35 cards
• ACT Reading StrategiesReading · 35 cards
• Algebra 1, Unit 1: Variables and ExpressionsMath · 36 cards
• Algebra 1, Unit 2: Solving Linear EquationsMath · 35 cards
• Algebra 1, Unit 3: Linear Functions and GraphingMath · 34 cards
• Algebra 1, Unit 4: Systems of EquationsMath · 32 cards
• Algebra 1, Unit 5: InequalitiesMath · 33 cards
• Algebra 1, Unit 6: Exponents and PolynomialsMath · 33 cards
• Algebra 1, Unit 7: FactoringMath · 32 cards
• Algebra 1, Unit 8: Quadratic Functions and EquationsMath · 32 cards
• Algebra 2, Unit 1: Functions and RelationsMath · 32 cards
• Algebra 2, Unit 2: Polynomial FunctionsMath · 31 cards
• Algebra 2, Unit 3: Rational Expressions and EquationsMath · 30 cards
• Algebra 2, Unit 4: Exponential and Logarithmic FunctionsMath · 30 cards
• Algebra 2, Unit 5: Radical Functions and EquationsMath · 30 cards
• Algebra 2, Unit 6: Sequences and SeriesMath · 30 cards
• Algebra 2, Unit 7: Probability and StatisticsMath · 30 cards
• Algebra 2, Unit 8: Conic SectionsMath · 30 cards
• Author's Purpose and Tone StrategiesReading · 29 cards
• Basic Geography LandformsGeography · 35 cards
• Basic Geometry FactsMath · 40 cards
• Branches of Government BasicsUS Government · 33 cards
• Clauses and Sentence Structure BasicsGrammar · 27 cards
• Commas and Punctuation RulesGrammar · 35 cards
• Commonly Confused English WordsEnglish · 44 cards
• Commonly Confused WordsSpelling · 40 cards
• Context Clues and Inference SkillsReading · 34 cards
• Coordinate Plane and Graphing FactsMath · 35 cards
• Earth and Space Science Facts (Grades 6-8)Science · 40 cards
• Electricity and Magnetism FactsScience · 35 cards
• Elementary Math Word Problem CuesMath · 35 cards
• Elementary Science Facts 3-5Science · 38 cards
• Elementary Science Facts K-2Science · 34 cards
• Elementary Vocabulary 1Vocabulary · 40 cards
• Elementary Vocabulary 2Vocabulary · 40 cards
• Exponents and Scientific Notation FactsMath · 35 cards
• Financial Literacy Math BasicsMath · 30 cards
• Fraction Operations FactsMath · 41 cards
• Fraction Word Problems and Mixed NumbersMath · 36 cards
• Fractions and Decimals FactsMath · 47 cards
• Genetics and Heredity FactsScience · 34 cards
• Geometric Transformations and SymmetryMath · 30 cards
• Geometry, Unit 1: Points, Lines, Planes, and ConstructionsMath · 30 cards
• Geometry, Unit 2: Angles and Parallel LinesMath · 30 cards
• Geometry, Unit 3: Triangle CongruenceMath · 30 cards
• Geometry, Unit 4: Triangle SimilarityMath · 30 cards
• Geometry, Unit 5: Right Triangle TrigonometryMath · 30 cards
• Geometry, Unit 6: Quadrilaterals and PolygonsMath · 30 cards
• Geometry, Unit 7: CirclesMath · 30 cards
• Geometry, Unit 8: Area, Volume, and Coordinate GeometryMath · 30 cards
• High School Biology Facts (Grades 9-10)Science · 40 cards
• High School Chemistry Facts (Grades 9-10)Science · 39 cards
• High School Integrated Science Facts (Grades 9-10)Science · 40 cards
• High School Vocabulary 1Vocabulary · 45 cards
• High School Vocabulary 2Vocabulary · 45 cards
• Historical Dates 1History · 40 cards
• Historical Dates 2History · 40 cards
• Idioms and Figurative LanguageVocabulary · 42 cards
• ISEE/SSAT Algebra ConceptsISEE and SSAT · 36 cards
• ISEE/SSAT AnalogiesISEE and SSAT · 35 cards
• ISEE/SSAT Essay Writing StrategiesISEE and SSAT · 29 cards
• ISEE/SSAT Geometry ConceptsISEE and SSAT · 32 cards
• ISEE/SSAT Math Word ProblemsISEE and SSAT · 39 cards
• ISEE/SSAT Quantitative ComparisonsISEE and SSAT · 35 cards
• ISEE/SSAT Quantitative ReasoningISEE and SSAT · 39 cards
• ISEE/SSAT Reading Comprehension StrategiesISEE and SSAT · 35 cards
• ISEE/SSAT Sentence CompletionISEE and SSAT · 40 cards
• ISEE/SSAT Verbal ReasoningISEE and SSAT · 39 cards
• ISEE/SSAT Vocabulary Word RootsISEE and SSAT · 39 cards
• ISEE/SSAT Vocabulary: Synonyms and AnalogiesISEE and SSAT · 40 cards
• Literary Elements and DevicesReading · 35 cards
• Logic and Set Theory BasicsMath · 30 cards
• Main Idea and Supporting DetailsReading · 30 cards
• Map Reading and Cartography TermsGeography · 35 cards
• Measurement Units and Conversions FactsMath · 36 cards
• Middle School Science Facts 6-8Science · 44 cards
• Middle School Vocabulary 1Vocabulary · 44 cards
• Middle School Vocabulary 2Vocabulary · 45 cards
• Middle School Vocabulary 3Vocabulary · 45 cards
• Middle School Vocabulary 4Vocabulary · 45 cards
• Middle School Vocabulary 5Vocabulary · 44 cards
• Multi-Step Word ProblemsMath · 31 cards
• Number Theory: Primes and FactorsMath · 30 cards
• Parts of Speech BasicsGrammar · 30 cards
• Percents FactsMath · 34 cards
• Periodic Table 37 to 86Chemistry · 50 cards
• Periodic Table 87 to 118Chemistry · 32 cards
• Periodic Table and ElementsScience · 40 cards
• Physical Geography: Plate Tectonics and VolcanoesGeography · 35 cards
• Physical Science Facts (Grades 6-8)Science · 40 cards
• Plants and Photosynthesis FactsScience · 33 cards
• Precalculus, Unit 1: Functions and Their GraphsMath · 30 cards
• Precalculus, Unit 2: Polynomial and Rational FunctionsMath · 30 cards
• Precalculus, Unit 3: Exponential and Logarithmic FunctionsMath · 30 cards
• Precalculus, Unit 4: Trigonometric FunctionsMath · 30 cards
• Precalculus, Unit 5: Trigonometric Identities and EquationsMath · 30 cards
• Precalculus, Unit 6: Vectors and Parametric EquationsMath · 30 cards
• Precalculus, Unit 7: Sequences, Series, and LimitsMath · 30 cards
• Precalculus, Unit 8: Conics and Polar CoordinatesMath · 30 cards
• Probability and Combinatorics FactsMath · 36 cards
• Pronoun Usage and Agreement RulesGrammar · 29 cards
• PSAT Math ConceptsMath · 34 cards
• PSAT VocabularyVocabulary · 40 cards
• Ratios and Proportions FactsMath · 34 cards
• Reading Comprehension StrategiesReading · 29 cards
• Rocks and the Rock CycleScience · 35 cards
• SAT Grammar: Modifiers and ParallelismGrammar · 35 cards
• SAT Grammar: Punctuation and Sentence BoundariesGrammar · 32 cards
• SAT Grammar: Usage and RhetoricGrammar · 33 cards
• SAT Math: Advanced Math (Quadratics and Polynomials)Math · 39 cards
• SAT Math: Algebra and FunctionsMath · 40 cards
• SAT Math: Data Analysis and StatisticsMath · 34 cards
• SAT Math: Geometry and TrigonometryMath · 40 cards
• SAT Math: Word Problems and ModelingMath · 36 cards
• SAT Reading StrategiesReading · 35 cards
• Sequences and Series FactsMath · 30 cards
• Simple and Compound Interest FactsMath · 31 cards
• Simple Machines and ForcesScience · 34 cards
• Spelling Demons 1Spelling · 44 cards
• Spelling Demons 2Spelling · 44 cards
• Spelling Demons 3Spelling · 40 cards
• Spelling Demons 4Spelling · 40 cards
• Spelling Homophones 1Spelling · 40 cards
• Spelling Homophones 2Spelling · 40 cards
• Spelling Rules: Prefixes and SuffixesSpelling · 35 cards
• Spelling: Compound WordsSpelling · 30 cards
• Spelling: Double Consonants and SyllablesSpelling · 35 cards
• Spelling: Plurals and Irregular FormsSpelling · 35 cards
• Spelling: Silent LettersSpelling · 35 cards
• State and Local Government BasicsUS Government · 34 cards
• Statistics and Data BasicsMath · 29 cards
• Subject-Verb Agreement RulesGrammar · 30 cards
• Tabela Periódica 37 a 86Chemistry · 50 cards
• Tabla Periódica 37 a 86Chemistry · 50 cards
• Text Structure and Organization PatternsReading · 30 cards
• Trigonometry Core ConceptsMath · 41 cards
• US Constitution FactsCivics · 39 cards
• US Geography: Physical FeaturesGeography · 39 cards
• US Geography: Regions and ClimateGeography · 33 cards
• US Government Key VocabularyUS Government · 35 cards
• US National ParksGeography · 40 cards
• US Presidents 2History · 43 cards
• US State Abbreviations and NicknamesGeography · 50 cards
• Verb Tenses OverviewGrammar · 35 cards
• Vocabulary in Context StrategiesReading · 36 cards
• World Capitals 2Geography · 45 cards
• World Capitals 3Geography · 45 cards
• World Geography: Deserts, Oceans, and BiomesGeography · 33 cards
• World Geography: Islands and ArchipelagosGeography · 36 cards
• World Geography: Major Rivers and MountainsGeography · 38 cards
• 元素周期表 37〜86Chemistry · 50 cards
• Addition and Subtraction FactsMath · 55 cards
• Animal Classification and TaxonomyBiology · 34 cards
• Animal FactsScience · 40 cards
• Bill of Rights FactsCivics · 29 cards
• Biology Key Terms and VocabularyBiology · 36 cards
• Branches of Government: Checks and BalancesCivics · 31 cards
• Carnivorous DinosaursDinosaurs · 34 cards
• Cell BiologyBiology · 35 cards
• Chemistry Key Terms and DefinitionsChemistry · 35 cards
• Chemistry Lab Safety and EquipmentChemistry · 30 cards
• Chemistry Nomenclature and FormulasChemistry · 35 cards
• Chemistry: States of Matter and Phase ChangesChemistry · 29 cards
• Ciências Naturais ElementaresScience · 30 cards
• Ciencias Naturales ElementalesScience · 30 cards
• Cívica e CidadaniaCivics · 30 cards
• Cívica y Gobierno BásicoCivics · 30 cards
• Climate and Ecosystems FactsScience · 30 cards
• Climate Zones and PatternsWeather and Climate · 35 cards
• Cloud Types and FormationWeather and Climate · 35 cards
• Common Grammar MistakesGrammar · 34 cards
• Constitutional AmendmentsCivics · 29 cards
• Continents and Oceans BasicsGeography · 30 cards
• Coral Reefs and Marine InvertebratesOcean Life and Marine Biology · 35 cards
• Deep Sea CreaturesOcean Life and Marine Biology · 30 cards
• Dinosaur Eras and Geologic TimeDinosaurs · 35 cards
• Dinosaur Extinction and Discovery HistoryDinosaurs · 31 cards
• Dinosaur Species and IdentificationDinosaurs · 42 cards
• DinosaursScience · 42 cards
• Famous Scientists and DiscoveriesScience · 36 cards
• Famous Speeches FactsHistory · 34 cards
• Fossils and Paleontology BasicsDinosaurs · 35 cards
• Gemstones and MineralsScience · 41 cards
• Geografía del Mundo HispanohablanteGeography · 30 cards
• Geografia do BrasilGeography · 30 cards
• Geografia Mundial: Características FísicasHuman Geography · 34 cards
• Geografia Mundial: Países e CapitaisHuman Geography · 45 cards
• Geografía Mundial: Países y CapitalesHuman Geography · 45 cards
• Geografía Mundial: Rasgos FísicosHuman Geography · 34 cards
• Herbivorous DinosaursDinosaurs · 34 cards
• How Laws Are MadeCivics · 29 cards
• Human Body Systems FactsScience · 40 cards
• Insects and Bugs FactsScience · 34 cards
• Inventions and InventorsScience · 41 cards
• Landmark Supreme Court Cases for CivicsCivics · 35 cards
• Local Government and Civic ParticipationCivics · 30 cards
• Long Division and Multi-Digit MultiplicationMath · 34 cards
• Matemática BásicaMath · 30 cards
• Matemáticas BásicasMath · 30 cards
• Money Math and Making ChangeMath · 29 cards
• Multiplication and Division FactsMath · 60 cards
• Natural Disasters FactsScience · 35 cards
• Negative Numbers (Integers) FactsMath · 36 cards
• Ocean and Marine Life FactsScience · 40 cards
• Ocean Zones and EcosystemsOcean Life and Marine Biology · 35 cards
• Order of Operations (PEMDAS) FactsMath · 27 cards
• Periodic Table 1 to 36Chemistry · 36 cards
• Phonics and Decoding SkillsReading · 38 cards
• Place Value and Rounding FactsMath · 30 cards
• Planets and SpaceScience · 37 cards
• Prehistoric Marine and Flying ReptilesDinosaurs · 34 cards
• Reading Graphs and Charts FactsMath · 30 cards
• Renewable Energy and Environment FactsScience · 35 cards
• Roman Numerals and Number SystemsMath · 30 cards
• Sharks and RaysOcean Life and Marine Biology · 35 cards
• Sight Words Grades 3 to 5Reading · 44 cards
• Sight Words K to 2Reading · 50 cards
• State vs Federal Government BasicsCivics · 30 cards
• Storm Systems and Severe WeatherWeather and Climate · 37 cards
• Tabela Periódica 1 a 36Chemistry · 36 cards
• Tabla Periódica 1 a 36Chemistry · 36 cards
• Telling TimeMath · 30 cards
• US PresidentsHistory · 44 cards
• US States and CapitalsGeography · 50 cards
• Voting and Elections BasicsCivics · 29 cards
• Weather and CloudsScience · 33 cards
• Whales and Marine MammalsOcean Life and Marine Biology · 35 cards
• World CapitalsGeography · 50 cards
• World Geography: Countries and CapitalsHuman Geography · 45 cards
• World Geography: Physical FeaturesHuman Geography · 34 cards
• 世界の地理：国と首都Human Geography · 45 cards
• 世界地理: 自然地形Human Geography · 34 cards
• 元素周期表 1〜36Chemistry · 36 cards
• 公民の基礎Civics · 30 cards
• 日本の地理Geography · 30 cards
• 理科の基礎Science · 30 cards
• 算数の基礎Math · 30 cards