This is a short one and, necessarily, is WitCH-like. It is an elaboration in the new Curriculum that smelled wrong to us. We checked enough to confirm there was sufficient wrongness for the elaboration to be added to the Awfulnesses list, but we haven’t sorted it out further. The comments may be interesting (or non-existent).
comparing the Hindu-Arabic numeral system to other numeral systems; for example, investigating the Japanese numeral system, 一、十、百、千、万 (AC9M3N01)