So, all roads lead to Arch is what you are saying?

For now…

How can a mammogram be 20 times more than a chest x-ray?

Well I don’t know what Troed is referring to but my kid in the first grade is doing “Letter of the week” for the fourth time. (He learned them the first time 3 years ago in kindergarten). They also use something called Bornholmsmodellen that is from the last century and has been highly criticized for not encouraging curiosity nor building interest.