Scale-Degree Triads - Roman Numerals

Question 1

big idea

Answer 1

• we use roman numerals to indicate the harmonic function and location of the chord within a tonality
• upper and lower case indicates quality
• upper is major, lower is minor

Question 2

roman numerals

Answer 2

• major - the order and case is as followed: I, ii, iii, IV, V, vi, viio
• natural minor: i, iio, III, iv, v, VI, VII
• harmonic minor is the same as natural minor but the raised 7th makes v to V and VII to viio
• this is common
• this also creates an augmented triad on the third of the scale
• melodic is most commonly use because composers want the changed tones at times but not all of the time

Question 3

like triads, Roman numerals indicate the quality of each chord. capital roman numerals are used for ________ triads, lowercase Roman numerals identify _______ triads

Answer 3

• major; minor

Question 4

a roman numeral such as viio indicates a ______ triad

Answer 4

• diminished

Question 5

in melodic and harmonic minor keys, the quality of the dominant chord (V) must always be major. therefore, which scale degree must be raised a half step

Answer 5

• 7