WeBWork Problem Authoring and Development 2

Question 1

In WeBWork PG code, what does the `BEGIN_PGML ... END_PGML` block define?

Accepted Answer

The problem text and answer blanks formatted using PGML syntax

Answer

The problem's metadata and OPL tags

Answer

The block where random variables are initialized

Answer

The grading rubric and partial credit rules

Question 2

How do you insert an answer blank in a PGML problem for a numerical answer stored in `$ans`?

Accepted Answer

[_____]{$ans}

Answer

Answer

ANSWER($ans)

Answer

[ans]{$ans}

Question 3

What is the role of `Context('Numeric')` in a WeBWork PG problem?

Accepted Answer

It configures the mathematical parsing environment for numeric expressions and answers

Answer

It sets the display to show numeric answers only in the gradebook

Answer

It restricts students to entering only integers

Answer

It formats all output numbers to two decimal places

Question 4

What is a 'seed' in the context of WeBWork problem randomization?

Accepted Answer

A number that initializes the random number generator to produce consistent but unique student versions

Answer

A keyword used to tag problems in the OPL

Answer

The default placeholder value shown in an answer blank

Answer

A template identifier for importing problems from external sources

Question 5

Which PG macro enables assigning different point weights to individual parts of a multi-part problem?

Accepted Answer

weightedGrader.pl

Answer

partialCredit.pl

Answer

splitPoints.pl

Answer

multiGrade.pl

Question 6

What PG block syntax is used to define a hint that WeBWork can display conditionally after multiple failed attempts?

Accepted Answer

BEGIN_HINT ... END_HINT block

Answer

HINT() function call

Answer

showHint() with attempt count

Answer

displayHint() with threshold parameter

Question 7

How can tolerance be specified when checking an approximate numerical answer using MathObjects in WeBWork?

Accepted Answer

Real(5)->with(tolerance => 0.01)

Answer

setTolerance(0.01) called on the context

Answer

approx(value, tolerance) function

Answer

checkTol(ans, 0.01) in the answer section