teoria.net is an older resource but has a great tool for interval ear training (listen to 2 notes, determine the number of steps between them), it's quite fun t

teoria.net is an older resource but has a great tool for interval ear training (listen to 2 notes, determine the number of steps between them), it's quite fun to use https://www.teoria.com/en/exercises/ie.php https://www.teoria.com/en/exercises/ie.php