No. Childlike is an adjective. There is no adverb form for like a child other than "childishly."
Adverb
Adverbs
The children played noisily
Respectful can be both an adjective and adverb."respectful children" (adjective)It ends with -ful, so it can be an adverb as well.
Highly is the adverb.
No, childless is an adjective (having no children).
The adjective is educational and the adverb is educationally."I shall take care of your children, especially what can be done educationally."
The Adverb is Highly and the verb is teacher
The adverb is "outside". It is an adverb of place, describing where they were playing.
The word excitable is an adjective. The adverb form is excitedly.
Yes, indoors is an adverb.Example: The children played indoors.Adverbs often answer the questions where? when? how? Where did the children play? Indoors.
The adjective is childish and the adverb is childishly. The words have a negative connotation of "immature" - another adjective form is childlike (suggesting innocence or candor).