2.8In G major

G major:

G A B C D E F♯ G

Degrees:

1 2 3 4 5 6 7 1

So:

1 = G

2 = A

3 = B

4 = C

5 = D

6 = E

7 = F♯

Now play:

F♯ → G

That is:

7 → 1

Compare what you did last module:

B → C in C major.

Same relationship.

Different notes.

This is why numbers are so powerful.