---
title: "Unit 3 – Triads and Seventh Chords - AP Music Theory"
description: "Review Unit 3 – Triads and Seventh Chords for AP Music Theory with Fiveable study guides and practice resources."
canonical: "https://fiveable.me/ap-music-theory/unit-3"
type: "unit"
subject: "AP Music Theory"
unit: "Unit 3 – Triads and Seventh Chords"
---

# Unit 3 – Triads and Seventh Chords - AP Music Theory

## Overview

Review Unit 3 – Triads and Seventh Chords for AP Music Theory with Fiveable study guides and practice resources.

## Study Guides

- [3.3 Chord Inversions and Figures: Introduction to Figured Bass](/ap-music-theory/unit-3/intro-figured-bass/study-guide/4QoPYIsEpxJDxJN6EHl5)
- [3.4 Seventh Chords](/ap-music-theory/unit-3/seventh-chords/study-guide/B6sXD4UR0kMGf7fdp3S2)
- [3.2 Diatonic Chords and Roman Numerals](/ap-music-theory/unit-3/diatonic-chords-roman-numerals/study-guide/ROGfWcFThaDu0yMJWgCE)
- [3.5 Seventh Chord Inversions and Figures](/ap-music-theory/unit-3/seventh-chord-inversions-figures/study-guide/lNdabGWeBDl9DMDQelld)
- [3.1 Triad and Chord Qualities (M, m, d, A)](/ap-music-theory/unit-3/triad-chord-qualities-m-m-d-a/study-guide/C2Wj35yXuDEj0tYdyQcc)

## FAQs

### What topics are covered in AP Music Unit 3?

AP Music Theory Unit 3 covers 5 topics built around roman numerals and chord construction: Triad and Chord Qualities (M, m, d, A), Diatonic Chords and Roman Numerals, Chord Inversions and Figured Bass, Seventh Chords, and Seventh Chord Inversions and Figures. Together they form the harmonic foundation you'll use throughout the course. Here's the full topic list:
- 3.1 Triad and Chord Qualities
- 3.2 Diatonic Chords and Roman Numerals
- 3.3 Chord Inversions and Figures: Introduction to Figured Bass
- 3.4 Seventh Chords
- 3.5 Seventh Chord Inversions and Figures See everything in one place at [AP Music Theory Unit 3](/ap-music-theory/unit-3).

### What's on the AP Music Theory Unit 3 progress check (MCQ and FRQ)?

The AP Music Theory Unit 3 progress check pulls MCQ and FRQ questions directly from all five unit topics, with a heavy focus on roman numerals, triad qualities, chord inversions, and seventh chord identification. MCQ questions typically ask you to identify chord quality or figured bass symbols. FRQ tasks may ask you to notate or analyze chords in context. The MCQ portion tests recognition skills: spotting major, minor, diminished, and augmented triads, reading inversion figures, and labeling diatonic chords with roman numerals. The FRQ portion pushes you to apply those same skills in writing, often combining topics from 3.2 through 3.5. Practice with questions matched to every progress check topic at [AP Music Theory Unit 3](/ap-music-theory/unit-3).

### How do I practice AP Music Theory Unit 3 FRQs?

AP Music Theory Unit 3 FRQs most often come from the chord notation and analysis topics: roman numerals (3.2), chord inversions and figured bass (3.3), and seventh chord inversions (3.5). Typical question types ask you to write a chord in a given inversion, supply the correct figured bass symbol, or label a progression with roman numerals. To practice effectively, work through each topic in order. Start by drilling triad qualities until you can write all four (M, m, d, A) from memory. Then move to figured bass figures for inversions, since those symbols show up constantly in FRQ prompts. Finally, repeat the same process for seventh chords and their inversions. Timed, written repetition is the key. Write out full chord stacks on staff paper rather than just identifying them mentally. Find topic-matched FRQ practice at [AP Music Theory Unit 3](/ap-music-theory/unit-3).

### Where can I find AP Music Theory Unit 3 practice questions?

The best place to find AP Music Theory Unit 3 practice questions, including multiple-choice and practice test sets, is the [AP Music Theory Unit 3](/ap-music-theory/unit-3) page, where questions are organized by topic. You'll find MCQ drills covering triad qualities, roman numerals, chord inversions, and seventh chords, all aligned to what College Board actually tests. For a practice-test experience, work through the MCQ sets topic by topic (3.1 through 3.5), then attempt the FRQ-style notation tasks under timed conditions. Mixing both formats gives you the same variety you'll see on the real exam.

### How should I study AP Music Theory Unit 3?

Start AP Music Theory Unit 3 by locking in roman numerals and triad qualities before moving to anything else, since every later topic builds on them. A clear study sequence makes this unit manageable across a week or two. **Step-by-step plan:**
1. **3.1 Triad Qualities.** Memorize the interval stacks for major, minor, diminished, and augmented triads. Write them in every key.
2. **3.2 Diatonic Chords and Roman Numerals.** Practice labeling all seven diatonic chords in major and minor keys with roman numerals. Flashcards help here.
3. **3.3 Chord Inversions and Figured Bass.** Learn the figures (root position, 6, 6/4) and practice identifying inversions by ear and on the staff.
4. **3.4 Seventh Chords.** Add the seventh on top of each triad quality and learn the five seventh chord types.
5. **3.5 Seventh Chord Inversions.** Apply the same inversion logic from 3.3, now with four possible positions per chord. Spend the most time on topics 3.2 and 3.3 since chord inversions and roman numeral analysis appear on nearly every AP Music Theory FRQ. Review everything at [AP Music Theory Unit 3](/ap-music-theory/unit-3).

## Structured Data

```json
{"@context":"https://schema.org","@type":"FAQPage","inLanguage":"en","mainEntity":[{"@type":"Question","@id":"https://fiveable.me/ap-music-theory/unit-3#what-topics-are-covered-in-ap-music-unit-3","name":"What topics are covered in AP Music Unit 3?","acceptedAnswer":{"@type":"Answer","text":"AP Music Theory Unit 3 covers 5 topics built around roman numerals and chord construction: Triad and Chord Qualities (M, m, d, A), Diatonic Chords and Roman Numerals, Chord Inversions and Figured Bass, Seventh Chords, and Seventh Chord Inversions and Figures. Together they form the harmonic foundation you'll use throughout the course. Here's the full topic list:\n- 3.1 Triad and Chord Qualities\n- 3.2 Diatonic Chords and Roman Numerals\n- 3.3 Chord Inversions and Figures: Introduction to Figured Bass\n- 3.4 Seventh Chords\n- 3.5 Seventh Chord Inversions and Figures See everything in one place at <a href=\"/ap-music-theory/unit-3\">AP Music Theory Unit 3</a>."}},{"@type":"Question","@id":"https://fiveable.me/ap-music-theory/unit-3#whats-on-the-ap-music-theory-unit-3-progress-check-mcq-and-frq","name":"What's on the AP Music Theory Unit 3 progress check (MCQ and FRQ)?","acceptedAnswer":{"@type":"Answer","text":"The AP Music Theory Unit 3 progress check pulls MCQ and FRQ questions directly from all five unit topics, with a heavy focus on roman numerals, triad qualities, chord inversions, and seventh chord identification. MCQ questions typically ask you to identify chord quality or figured bass symbols. FRQ tasks may ask you to notate or analyze chords in context. The MCQ portion tests recognition skills: spotting major, minor, diminished, and augmented triads, reading inversion figures, and labeling diatonic chords with roman numerals. The FRQ portion pushes you to apply those same skills in writing, often combining topics from 3.2 through 3.5. Practice with questions matched to every progress check topic at <a href=\"/ap-music-theory/unit-3\">AP Music Theory Unit 3</a>."}},{"@type":"Question","@id":"https://fiveable.me/ap-music-theory/unit-3#how-do-i-practice-ap-music-theory-unit-3-frqs","name":"How do I practice AP Music Theory Unit 3 FRQs?","acceptedAnswer":{"@type":"Answer","text":"AP Music Theory Unit 3 FRQs most often come from the chord notation and analysis topics: roman numerals (3.2), chord inversions and figured bass (3.3), and seventh chord inversions (3.5). Typical question types ask you to write a chord in a given inversion, supply the correct figured bass symbol, or label a progression with roman numerals. To practice effectively, work through each topic in order. Start by drilling triad qualities until you can write all four (M, m, d, A) from memory. Then move to figured bass figures for inversions, since those symbols show up constantly in FRQ prompts. Finally, repeat the same process for seventh chords and their inversions. Timed, written repetition is the key. Write out full chord stacks on staff paper rather than just identifying them mentally. Find topic-matched FRQ practice at <a href=\"/ap-music-theory/unit-3\">AP Music Theory Unit 3</a>."}},{"@type":"Question","@id":"https://fiveable.me/ap-music-theory/unit-3#where-can-i-find-ap-music-theory-unit-3-practice-questions","name":"Where can I find AP Music Theory Unit 3 practice questions?","acceptedAnswer":{"@type":"Answer","text":"The best place to find AP Music Theory Unit 3 practice questions, including multiple-choice and practice test sets, is the <a href=\"/ap-music-theory/unit-3\">AP Music Theory Unit 3</a> page, where questions are organized by topic. You'll find MCQ drills covering triad qualities, roman numerals, chord inversions, and seventh chords, all aligned to what College Board actually tests. For a practice-test experience, work through the MCQ sets topic by topic (3.1 through 3.5), then attempt the FRQ-style notation tasks under timed conditions. Mixing both formats gives you the same variety you'll see on the real exam."}},{"@type":"Question","@id":"https://fiveable.me/ap-music-theory/unit-3#how-should-i-study-ap-music-theory-unit-3","name":"How should I study AP Music Theory Unit 3?","acceptedAnswer":{"@type":"Answer","text":"Start AP Music Theory Unit 3 by locking in roman numerals and triad qualities before moving to anything else, since every later topic builds on them. A clear study sequence makes this unit manageable across a week or two. **Step-by-step plan:**\n1. **3.1 Triad Qualities.** Memorize the interval stacks for major, minor, diminished, and augmented triads. Write them in every key.\n2. **3.2 Diatonic Chords and Roman Numerals.** Practice labeling all seven diatonic chords in major and minor keys with roman numerals. Flashcards help here.\n3. **3.3 Chord Inversions and Figured Bass.** Learn the figures (root position, 6, 6/4) and practice identifying inversions by ear and on the staff.\n4. **3.4 Seventh Chords.** Add the seventh on top of each triad quality and learn the five seventh chord types.\n5. **3.5 Seventh Chord Inversions.** Apply the same inversion logic from 3.3, now with four possible positions per chord. Spend the most time on topics 3.2 and 3.3 since chord inversions and roman numeral analysis appear on nearly every AP Music Theory FRQ. Review everything at <a href=\"/ap-music-theory/unit-3\">AP Music Theory Unit 3</a>."}}]}
```
