I think if you're learning the system and expected to know what the buttons do it's not an unreasonable exercise. It's the sort of quick test my cad tutor would spring on us, except that was 25 years ago so it was written code commands then...
Anyway to try to help, from intuition/guesswork not knowing this system... If your child knows what package/system this is, then Google it.
Select, line
Circle, arc through defined points
Rectangle, curve through defined points
?, hatch or fill
Text, measure
?, Offset
Copy, stretch
?, ?
Make an arc of a corner at defined points, whatever clip is?
? Insert?, Delete something
Array, ?
Draw fixed to grid points, ?
?, Set angle for an object
Zoom in, out
Identify last object?, Insert media
Select all, select something?
Undo last, delete something