AP Music Theory 50 Flashcards Intermediate 100% Free

AP Music Theory:: Unit 3 - Triads Seventh Chords

Created by Chat Robotics Community  ·  Updated 2026-09-08

Curriculum Overview

Comprehensive, high-yield AP Music Theory study deck focusing on Unit 3 - Triads Seventh Chords. Features 50 rigorous, curriculum-aligned flashcards designed for intermediate-level mastery. Core concepts covered include Minor Third, Dominant Seventh, Diminished Triad, Augmented Triad, Fully Diminished Seventh, key problem-solving heuristics, foundational formulas, and exam-tested application scenarios. Ideal for active recall review, spaced repetition study, and scoring in the top percentile.

Topics & Key Concepts

Root Major Minor Music Third Triad Theory Unit 3 Seventh Soprano

Sample Flashcard Questions & Answers

Showing 8 of 50 cards
Question #1 Active Recall

Which chord construction rule, triad quality, seventh chord inversion, or part-writing principle is described below?

*A three-note chord constructed by stacking two thirds above a fundamental root note.*

**A)** Triad (Root - Third - Fifth)
**B)** Seventh Chord
**C)** Ninth Chord
**D)** Interval Dyad

Answer & Explanation:
**Correct Answer: A) Triad (Root - Third - Fifth)**
Question #2 Active Recall

Which chord construction rule, triad quality, seventh chord inversion, or part-writing principle is described below?

*Major (M3 + m3), Minor (m3 + M3), Diminished (m3 + m3), Augmented (M3 + M3).*

**A)** Major, Minor, Diminished, Augmented
**B)** Major, Minor, Perfect, Imperfect
**C)** Dominant, Subdominant, Tonic, Leading
**D)** Root, First, Second, Third Inversions

Answer & Explanation:
**Correct Answer: A) Major, Minor, Diminished, Augmented**
Question #3 Active Recall

Which chord construction rule, triad quality, seventh chord inversion, or part-writing principle is described below?

*Root + Major Third (4 semitones) + Minor Third (3 semitones) = Root to Fifth is a Perfect 5th (7 semitones).*

**A)** Major Triad (M3 + m3 = P5)
**B)** Minor Triad (m3 + M3 = P5)
**C)** Diminished Triad (m3 + m3 = d5)
**D)** Augmented Triad (M3 + M3 = A5)

Answer & Explanation:
**Correct Answer: A) Major Triad (M3 + m3 = P5)**
Question #4 Active Recall

Which chord construction rule, triad quality, seventh chord inversion, or part-writing principle is described below?

*Root + Minor Third (3 semitones) + Major Third (4 semitones) = Root to Fifth is a Perfect 5th (7 semitones).*

**A)** Minor Triad (m3 + M3 = P5)
**B)** Major Triad (M3 + m3 = P5)
**C)** Diminished Triad (m3 + m3 = d5)
**D)** Augmented Triad (M3 + M3 = A5)

Answer & Explanation:
**Correct Answer: A) Minor Triad (m3 + M3 = P5)**
Question #5 Active Recall

Which chord construction rule, triad quality, seventh chord inversion, or part-writing principle is described below?

*Root + Minor Third (3 semitones) + Minor Third (3 semitones) = Root to Fifth is a Diminished 5th (6 semitones / tritone).*

**A)** Diminished Triad (m3 + m3 = d5)
**B)** Minor Triad
**C)** Major Triad
**D)** Augmented Triad

Answer & Explanation:
**Correct Answer: A) Diminished Triad (m3 + m3 = d5)**
Question #6 Active Recall

Which chord construction rule, triad quality, seventh chord inversion, or part-writing principle is described below?

*Root + Major Third (4 semitones) + Major Third (4 semitones) = Root to Fifth is an Augmented 5th (8 semitones).*

**A)** Augmented Triad (M3 + M3 = A5)
**B)** Major Triad
**C)** Diminished Triad
**D)** Minor Triad

Answer & Explanation:
**Correct Answer: A) Augmented Triad (M3 + M3 = A5)**
Question #7 Active Recall

Which chord construction rule, triad quality, seventh chord inversion, or part-writing principle is described below?

*I (Major), ii (minor), iii (minor), IV (Major), V (Major), vi (minor), vii° (diminished).*

**A)** I, ii, iii, IV, V, vi, vii°
**B)** i, ii°, III, iv, V, VI, vii°
**C)** I, II, III, IV, V, VI, VII
**D)** i, ii, iii, iv, v, vi, vii

Answer & Explanation:
**Correct Answer: A) I, ii, iii, IV, V, vi, vii°**
Question #8 Active Recall

Which chord construction rule, triad quality, seventh chord inversion, or part-writing principle is described below?

*i (minor), ii° (diminished), III+ (augmented), iv (minor), V (Major), VI (Major), vii° (diminished).*

**A)** i, ii°, III+, iv, V, VI, vii°
**B)** i, ii, III, iv, v, vi, VII
**C)** I, ii, iii, IV, V, vi, vii°
**D)** i, ii°, III, iv, v, VI, vii

Answer & Explanation:
**Correct Answer: A) i, ii°, III+, iv, V, VI, vii°**

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