NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 2 results Save | Export
Peer reviewed Peer reviewed
PDF on ERIC Download full text
Lemonidis, Charalampos; Pilianidis, Nikos – International Electronic Journal of Mathematics Education, 2020
One of the attributes of rational numbers that make them different from integers are the different symbolic modes (fraction, decimal and percentage) to which an identical number can be attributed (e.g. 1/4, 0.25 and 25%). Some research has identified students' difficulty in mental calculations with rational numbers as has also the switching to…
Descriptors: Foreign Countries, Middle School Students, Grade 8, Mathematics Skills
Peer reviewed Peer reviewed
PDF on ERIC Download full text
Eisenmann, Petr; Pribyl, Jirí; Novotná, Jarmila – Journal on Efficiency and Responsibility in Education and Science, 2019
The paper describes one problem solving strategy -- the Use of false assumption. The objective of the paper is to show, in accordance with Phylogenesis and Ontogenesis Theory, that it is worthwhile to reiterate the process of development of the concept of a variable and thus provide to pupils one of the ways helping them to eliminate usual…
Descriptors: Foreign Countries, Secondary School Students, Problem Solving, Word Problems (Mathematics)