Grade 10 (10th grade) curriculum

These are the 21 grade-level skills CubbyEd teaches in 10th grade: Math, English Language Arts, Science, History, Logic, Catholic Religion. Each one gets lessons, practice and mastery checks. Parents and teachers choose the subjects and track progress.

Math

• Distance and midpoint formulas
  Apply the distance formula and find midpoints.
  Why it matters: Connects algebra and geometry.
  Geometry · Standards: HSG-GPE.B.4
• Two-column proofs
  Write formal geometric proofs with reasons.
  Why it matters: Trains deductive reasoning.
  Geometry · Standards: HSG-CO.C.9
• Triangle congruence
  Apply SSS, SAS, ASA, AAS, HL.
  Why it matters: Foundation of geometric reasoning.
  Geometry · Standards: HSG-CO.B.7
• Triangle similarity
  Use AA similarity and ratios of sides.
  Why it matters: Underpins trigonometry.
  Geometry · Standards: HSG-SRT.A.3
• Circle theorems
  Inscribed angle, tangent, chord, and central-angle relationships.
  Why it matters: Rich source of proofs.
  Geometry · Standards: HSG-C.A.2
• Right-triangle trig (SOH-CAH-TOA)
  Find sides/angles using sin, cos, tan.
  Why it matters: SAT/ACT staple; engineering foundation.
  Trigonometry · Standards: HSG-SRT.C.8

English Language Arts

• Allusion
  Recognize references to other works.
  Why it matters: Classical literature.
  Literature · Standards: RL.9-10.4
• Compare two texts
  Synthesize across two passages on the same topic.
  Why it matters: AP-style analysis.
  Reading · Standards: RI.9-10.9
• Sentence variety
  Mix simple, compound, complex sentences for rhythm.
  Why it matters: Advanced style.
  Writing · Standards: L.9-10.3

Science

• Chemical bonds
  Ionic, covalent, metallic.
  Why it matters: All chemistry depends on this.
  Physical · Standards: HS-PS1-1, HS-PS1-2

History

• American and French Revolutions
  Comparative causes and outcomes.
  Why it matters: Modern liberal order foundation.
  Modern · Standards: D2.His.1.9-12

Logic

• Deductive vs. inductive reasoning
  Distinguish: general-to-specific vs. specific-to-general.
  Why it matters: Scientific method.
  Reasoning · Strand

Catholic Religion (optional, for Catholic schools and families)

• Jesus true God and true man
  The hypostatic union and Paschal Mystery
  Why it matters: Everything Christian stands or falls with who Jesus is.
  Christology · Standards: CCC, USCCB
• Creed (G10)
  Who God is and what we believe at the grade10 level.
  Why it matters: Faith seeks understanding of the living God.
  Creed · Standards: CCC, USCCB
• Liturgical Life (G10)
  The Church year and worship at the grade10 level.
  Why it matters: The liturgy makes present the mystery of Christ.
  Liturgical Life · Standards: CCC, USCCB
• Moral Life (G10)
  Freedom, virtue, and the commandments of love at the grade10 level.
  Why it matters: Discipleship is lived in daily moral choices.
  Moral Life · Standards: CCC, USCCB
• Prayer (G10)
  How we speak and listen to God at the grade10 level.
  Why it matters: Prayer is the living relationship with God.
  Prayer · Standards: CCC, USCCB
• Sacraments (G10)
  How Christ acts through the sacraments at the grade10 level.
  Why it matters: Sacraments are encounters with Christ, not empty rituals.
  Sacraments · Standards: CCC, USCCB
• Sacred Scripture (G10)
  How God speaks in the Bible at the grade10 level.
  Why it matters: Scripture is the soul of theology and catechesis.
  Sacred Scripture · Standards: CCC, USCCB
• Saints & Mary (G10)
  Models of holiness and communion of saints at the grade10 level.
  Why it matters: The saints show holiness is possible.
  Saints & Mary · Standards: CCC, USCCB
• The Church (G10)
  People of God, Body of Christ, mission at the grade10 level.
  Why it matters: No one is a Christian alone.
  The Church · Standards: CCC, USCCB

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Reading list: see the CubbyEd great books library.