9th grade Oregon curriculum
What 9th grade students practice in Gradelings, unit by unit, matched to the Oregon State 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
- Multi-Step EquationsBrackets, fractions and both sides
- Rearranging FormulasSolve for any letter
- Linear InequalitiesSolve and write inequalities
- Linear RelationsSlope, intercepts and graphs
- Function Notationf(x), domain and range
- Lines & IntersectionsGraphs, inequalities and transformations
- Solving SystemsElimination and substitution
- SequencesArithmetic and geometric
- Linear or Exponential?Add each time or multiply each time
- Similarity & ScaleScale factors and similar figures
- Right Triangles & ScalingPythagoras and changing dimensions
- Surface Area of ObjectsPrisms, cylinders and joined shapes
- Data & Scatter PlotsQuartiles, box plots and correlation
- Statistics in SocietySamples, bias and misleading graphs
- Two-Way Tables & CausationRelative frequency and correlation
- Right-Triangle TrigSine, cosine and tangent
- Coordinate GeometryDistance, midpoint and slope
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
- ProofreadingSpelling and word choice in final drafts
- Media AnalysisRhetoric, framing and synthetic media
Science
- Cells from CellsDNA, mitosis and growth
- ReproductionAsexual and sexual reproduction
- Photosynthesis & RespirationHow cells make and use energy
- Evolution & SelectionVariation, adaptation and how populations change over time.
- Atoms & ElectronsShells, valence and the periodic table
- The Periodic TableGroups, periods and patterns
- 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.
- Ecosystem DynamicsCarrying capacity, energy pyramids and human impacts.
Social Studies
- Forms of GovernmentRepublics, monarchies and more
- The Three BranchesCongress, the President and the courts
- Federal, State, Local & TribalWho does what, from Washington, D.C. to Salem
- Rights & the CourtsAmendments, cases and civil rights
- Voting in OregonVote by mail, primaries and measures
- How Laws Are MadeBills in Congress and in Salem
- Markets, Banks & MoneyScarcity, the Fed and market structures
- Supply & DemandShifts, prices, shortages and surpluses
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