Consequences
No, the word problems is not an adverb.The word problems is a noun and sometimes an adjective.
No, the plural of problem is problems.
The plural of problem is problems.
You convert the word problem into a numeric problem and then calculate.
The rules for solving word problems are read the problem, decide what you need to do, solve the problem, and check your answer.
The cat allowed me to precede him to the door.
It is something you do in a word problem.
In order to know how to do certain quadratic word problem one needs to know what the problem is.
If there is division in a word problem it will be half, one fourth...
"The problems you caused are irreversible; they can never be remedied."
A problem is a thing, which places it in the Noun category.
The answer will depend on what test where, and and at what level.