9th grade New York curriculum
What 9th grade students practice in Gradelings, unit by unit, matched to the New York State Learning Standards. Tap any unit to see what it covers and try sample questions.
Math
- Exponents & PowersExponent laws and scientific notation
- PolynomialsAdd, subtract, expand and evaluate
- Multi-Step EquationsBrackets, fractions and both sides
- Linear RelationsSlope, intercepts and graphs
- Statistics in SocietySamples, bias and misleading graphs
- Number SetsWhole, rational and irrational
- ExpressionsBuild, compare and match
- Lines & IntersectionsGraphs, inequalities and transformations
- Data & Scatter PlotsQuartiles, box plots and correlation
- Function Notationf(x), domain and range
- Linear InequalitiesSolve and write inequalities
- Solving SystemsElimination and substitution
- Linear or Exponential?Add each time or multiply each time
- Factoring & QuadraticsFactor and solve x² equations
- Rearranging FormulasSolve for any letter
- Two-Way Tables & CausationRelative frequency and correlation
- SequencesArithmetic and geometric
- Graphs of Equations & InequalitiesLines, half-planes and systems
- Comparing FunctionsKey features and growth
- Parabolas & LinesForms of a quadratic and where a line meets it
- Units & AccuracyLet the units guide you
- The Correlation CoefficientWhat r tells you
English Language Arts(“Language Arts” in the app)
- Close ReadingInference, theme and author's craft
- Literary ElementsIrony, motif, tone and mood
- Grammar & StylePunctuation, agreement and register
- Word DetectiveRoots, prefixes and meaning in context
- Literary DevicesAllusion, analogy, juxtaposition, flashback
- Digital SmartsTrust, privacy and credible sources
- Forms & FeaturesText patterns, visuals and media
- Summarizing TextsFind the main ideas and put them in your own words.
- Form & ComposingPick the right form for your audience and shape a clear text.
- Research & CredibilityPeer review, AI output and synthesis
- ProofreadingSpelling and word choice in final drafts
- Media AnalysisRhetoric, framing and synthetic media
- Evaluating Arguments and TextsJudge reasoning and evidence, spot fallacies, and judge and connect texts with criteria.
- Arguments, Stories and EvidenceClaims and counterclaims, narrative technique, creative responses and text evidence.
Science
- Cells from CellsDNA, mitosis and growth
- ReproductionAsexual and sexual reproduction
- Photosynthesis & RespirationHow cells make and use energy
- Human Reproductive SystemStructures, functions and hormones, explained simply.
- Evolution & SelectionVariation, adaptation and how populations change over time.
- Atoms & ElectronsShells, valence and the periodic table
- Electrons & CompoundsWhy atoms bond and what they make
- Chemical ChangeReactions, mass and chemical names
- Forces, Motion & MomentumNewton's second law, momentum and safer collisions.
- Energy & MagnetismConservation of energy, efficiency and electromagnets.
- Circuits & Ohm's LawCurrent, voltage and resistance
- Science & SocietyTrade-offs, unexpected effects and science careers.
- Ecosystem DynamicsCarrying capacity, energy pyramids and human impacts.
- Body Systems & HomeostasisCells, tissues, organs and systems, and how feedback keeps the body stable.
- DNA, Proteins & TraitsHow DNA codes for proteins, and how traits pass from parents to offspring.
- Populations & EvolutionPopulation math, group behavior and how environments change species.
- Plate TectonicsEarth's layers, moving plates and the age of rocks.
- Earth's Early HistoryHow Earth formed, and how life and Earth changed each other.
- Air Masses & FrontsHow moving air masses and fronts change the weather.
- Engineering for SustainabilityDesigning solutions that reduce human impact on Earth.
- Moon, Tides & SeasonsCycles in the sky: phases, eclipses, tides and seasons.
- Stars & the UniverseHow stars shine, live and die, and how the universe began.
- Climate & Earth's SystemsEnergy, feedbacks, the carbon cycle and climate change.
- Water, Ice & LandscapesHow water and glaciers shape the land, and why it matters to people.
- Waves & Electromagnetic RadiationWave math, light as wave and particle, and how we use waves.
- Gases, Solutions, Acids & BasesGas laws, dissolving, pH and electron transfer.
- Nuclear Energy & Bond EnergyFission, fusion and decay, and the energy in chemical bonds.
- Forces at a Distance & Heat FlowHow gravity and electric forces change with distance, and how heat evens out.
Social Studies
- First FarmersFrom hunting to farming villages
- Where Civilizations GrewRivers, mountains and seas
- Greece & RomeDemocracy, republic and law
- Trade NetworksSilk Road, barter and coins
- Rome's Fall & ByzantiumFrom Rome to Constantinople
- Medieval EuropeFeudalism, towns and the Black Death
- The Islamic WorldScholars, cities and empires
- Empires of AsiaTang, Song, Mongols, Mughals and Japan
- African Kingdoms & EmpiresMali, Songhai, Great Zimbabwe and more
- Maya, Aztec & IncaEmpires of the Americas
- Renaissance & ReformationNew art, ideas and printing
- Belief Systems ComparedBeliefs, practices and how they shaped societies
- Crusades & the Black DeathConflict and disease in the postclassical world
- Ottoman & Ming EmpiresTwo great powers, 1368 to 1600
- Absolutism to EnlightenmentKings, scientists and new ideas about power
- Encounter & the Atlantic WorldExploration, exchange and the Atlantic slave trade
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