When TIMSS Experts Recorded Math Teachers in the U

When TIMSS experts recorded math teachers in the U.S., Germany, and Japan, what did they find?

A) U.S. teachers presented material at a higher level than their German and Japanese counterparts.
B) Japanese teachers were excited about math instruction and developed collaborative and individual assignments that engaged students on multiple levels.
C) Germany students were most engaged in math lessons when learning terms and definitions.
D) There is really only one way to teach math, regardless of culture, so little variation was noted.