The article presents findings from a Czech environmental literacy survey conducted in 2020 on a sample of 6th (N = 3773), 8th (N = 21518), and 9th graders (N = 4368). Specifically, the effect of environmental and sustainability education (ESE) as well as the effect of gender and age on environmental knowledge, attitudes, beliefs, place attachment,…

We constructed and calibrated an instrument targeting conceptual and procedural fraction knowledge. We used this instrument in a quantitative study with 126 secondary students (7th and 9th graders), testing the hypothesis that there are individual differences in the way students combine the two types of knowledge. Cluster analysis revealed four…

We present the results of an in-depth qualitative study that examined ninth graders' conceptual and procedural knowledge of fractions as well as their approach to mathematics learning, in particular fraction learning. We traced individual differences, even extreme, in the way that students combine the two kinds of knowledge. We also provide…