The intervals for this major scale (and all other major scales) are as follows:
TONE - TONE - SEMITONE - TONE - TONE - TONE - SEMITONE
Practice the C Major scale across the strings as follows:
PLUCKING: And when plucking, use your thumb to pluck any notes on the C, your index finger for notes on the E string and your middle finger for notes on the A string.
Watch the video below for guidance and practice playing along.
Practicing scales enhances finger technique and because the hands are synchronized, better rhythmic soloing. This increases the knowledge and ability to play various melodies over the right chords at the right time. Learning and practicing scales is invaluable and will help with master the music theory behind the ukulele and help expand your playing technique.