Sometimes you have a run in with a customer that ain't worth having-- no matter how much money they pay.

Again, as an adult looking to find something to be outraged at, you are far overthinking the problem. You assume those kids don't understand what that week's math lessons were about. And therefore what any quiz/test would be about at the end of the week. All of them would have been coached all week long on what to look for in that quiz/test.

If the teacher was so wrong, explain to me how a majority of the students would have understood that question and been able to figure out the correct answer and provided the correct format? Getting one odd answer on one test/quiz in a room of perhaps 20 students is not indicative of a poorly written question or if a teacher is unwilling to admit they were wrong. Odd answers are just generally an isolated issue, unless this is a repeated problem for this student, which would be indicative of a deeper learning issues. Which is something we don't know or can't know in this case.

Your premise would hold value if you knew every student in the classroom got the question wrong or provided the same answer that is shown. But you have no idea if that's the case.

There are other things in this world that deserve to be outraged about. This particular thing ain't one of them.

You miss the understanding that the kids would have been coached everyday for at least a week to look for the fractions and compare them. And not be overly concerned with anything else. The kids aren't stupid, they know that they have spent the week comparing fractions and that's what the test/quiz would cover. I would bet very long money that the majority of the students got the correct answer and those that didn't, simply chose the wrong answer. Still, you do get an oddball answer on occasion. Because young kids are cool like that sometimes. It's a minor thing to correct as a teacher.

As an adult, you are reading far too much into the question because you want to be angry.

As a very old lefty, I wish my handwriting looked that good.

Boys in particular, (though girls are not exempt from poor handwriting), will have "poor" penmanship pretty much all through elementary school and even into Jr High. And fractions are generally introduced at the end of the 3rd grade school year. And based on the question, that's the likely grade level that test was created for.

I would bet that most of the students in that class got the answer correct because they were coached to read the question correctly-- to look for the fractions and simply compare them. And anyone else that didn't, simply chose the wrong answer. Still, you will get a surprise answer like that every once in a while because kids are cool like that. It's worth a chuckle as you move on.

That's Best Korea^TM to you!

Slide over a bit, I'll join you.....

I looked PHA up. Color Fab offers some at a fairly reasonable price, but limited colors. It seems an interesting choice for printing. I do like the heat resistance of >120C. The printing temp range is low and pretty narrow and needs hair spray. I wonder if it's comparable with PEI print sheets.

But it still has a price hard time competing with the $11US per kilo of PLA brands like eSun.

I have used a pizza cutter to cut more than one pizza. I have also wielded a sword, (Ren Fair and fought a dual), and cut pizza with it. I have also field dressed a couple of deer and cut a few pizzas, (along with apples and sandwiches) with a Victorinox Classic keychain pocket knife over the years.

Of the 3 pieces of cutlery, I find the Victorinox Classic to be the most useful.