2. Some fourth-grade students are practicing reading andcomparing decimal numbers. They created two different numbers usingdecimal squares. Stephanie reads the decimal squares below as “zeroand forty-five hundredths” and “zero and one tenth.” She says:“Zero and forty-five hundredths is thirty five hundredths greaterthan one tenth.” Her partner, Ingrid says: “That’s not right. Thesquare on the left is thirty-five squares bigger than the one onthe right.”
a) What does Stephanie seem to understand? What does Ingrid seemto understand?
b) What could you talk about with these students to help improvetheir understanding?