9th grade Washington curriculum
What 9th grade students practice in Gradelings, unit by unit, matched to the Washington State Learning Standards. Tap any unit to see what it covers and try sample questions.
Math
- Number SetsWhole, rational and irrational
- Exponents & PowersExponent laws and scientific notation
- ExpressionsBuild, compare and match
- PolynomialsAdd, subtract, expand and evaluate
- Multi-Step EquationsBrackets, fractions and both sides
- Linear RelationsSlope, intercepts and graphs
- Lines & IntersectionsGraphs, inequalities and transformations
- Data & Scatter PlotsQuartiles, box plots and correlation
- Statistics in SocietySamples, bias and misleading graphs
- 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
English Language Arts(“Language Arts” in the app)
- Close ReadingInference, theme and author's craft
- Literary ElementsIrony, motif, tone and mood
- Literary DevicesAllusion, analogy, juxtaposition, flashback
- Summarizing TextsFind the main ideas and put them in your own words.
- Forms & FeaturesText patterns, visuals and media
- Word DetectiveRoots, prefixes and meaning in context
- Grammar & StylePunctuation, agreement and register
- Form & ComposingPick the right form for your audience and shape a clear text.
- Digital SmartsTrust, privacy and credible sources
- Research & CredibilityPeer review, AI output and synthesis
- Media AnalysisRhetoric, framing and synthetic media
- ProofreadingSpelling and word choice in final drafts
Science
- Cells from CellsDNA, mitosis and growth
- ReproductionAsexual and sexual reproduction
- Atoms & ElectronsShells, valence and the periodic table
- Electrons & CompoundsWhy atoms bond and what they make
- Photosynthesis & RespirationHow cells make and use energy
- The Periodic TableGroups, periods and patterns
- Chemical ChangeReactions, mass and chemical names
- Evolution & SelectionVariation, adaptation and how populations change over time.
- Energy & MagnetismConservation of energy, efficiency and electromagnets.
- Forces, Motion & MomentumNewton's second law, momentum and safer collisions.
- Ecosystem DynamicsCarrying capacity, energy pyramids and human impacts.
Social Studies
- Three BranchesCongress, the president and the courts
- Levels of GovernmentFederal, state, local and Tribal
- Rights & the CourtsLandmark cases and laws
- Elections & VotingFrom pre-registering to the Electoral College
- How Laws Are MadeBills, vetoes and initiatives
- Tribal Sovereignty TodayNation-to-nation relationships
- Taking PartSpeak up, check facts, decide together
- Government & the EconomyTaxes, budgets and policy
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