Q:  Are 2nd and 3rd graders expected to round decimals? And do multiplication?
A:  They will not be asked to answer in  decimal numbers. The goal is for the students to estimate and provide a rounded value as the answer.
Q: Regarding 2nd and 3rd grade, it was said in the coaches training that they would not need to convert units. However, do they need to understand both metric and standard units overall?
A:  2nd and 3rd graders only need to know metric and standard units for length and weight. Only the commonly used units, will not ask any complicated ones.