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Direct linkAlbarracín, Lluís – Early Childhood Education Journal, 2021
This study presents a teaching experiment in which second-grade primary school students compared a city and a town according to population estimates. The activities were presented to them as Fermi problems and required an analysis of the reality to identify sub-problems that students could deal with. The students' products were analyzed from the…
Descriptors: Grade 2, Elementary School Students, Mathematics Instruction, Mathematical Models
Ferrando, Irene; Albarracín, Lluís – Mathematics Education Research Journal, 2021
One hundred four students aged 8 to 16 worked on one Fermi problem involving estimating the number of people that can fit in their school playground. We present a qualitative analysis of the different mathematical models developed by the students. The analysis of the students' written productions is based on the identification of the model of…
Descriptors: Mathematics Instruction, Problem Solving, Computation, Mathematical Models
