Skip to content
Brainlag

Theme

Colour

Study display

Turn these off for a calmer page with less to look at while you study.

Grade 3 Music Theory

Compound time, keys to four sharps or flats, both minor scales and intervals by type: Grade 3 theory, taught and practised.

ABRSM Music Theory, Grade 3

14 lessons, 1 free

Start hereRhythm

The course, unit by unit

Part 2: Pitch and transposition

1 unit, 2 lessons

  1. Unit 2: Pitch and transposition

    25 minPlus

Part 4: Intervals

1 unit, 1 lesson

  1. Unit 4: Intervals

    14 minPlus

Part 5: Tonic triads

1 unit, 1 lesson

  1. Unit 5: Tonic triads

    12 minPlus

Part 6: Terms and signs

1 unit, 2 lessons

  1. Unit 6: Terms and signs

    27 minPlus

Part 7: Music in context

1 unit, 1 lesson

  1. Unit 7: Music in context

    12 minPlus

Part 8: Exam preparation

1 unit, 1 lesson

  1. Unit 8: Exam preparation

    10 minPlus

Topic tests

Every unit ends with a topic test, marked when you hand it in, with the reason for every answer.

Included in Brainlag Plus

Revise and practise alongside

Questions

Which syllabus does it follow?

It follows the ABRSM Music Theory syllabus for Grade 3 (the syllabus from 2020, checked against ABRSM on 9 October 2026). Brainlag is independent and not affiliated with ABRSM.

What is free?

1 of the 14 lessons is free. Brainlag Plus opens the rest of the lessons, the topic tests and the mock paper.

Do I need an account?

No. Progress saves in this browser; sign in to keep it on every device.

How long does it take?

About 3 hr of lessons in 8 units. Lessons take 10 to 16 minutes each.