The conflict between conceptual and procedural knowledge : should we need to understand in order to be able to do, or vice versa?
Linking procedural and conceptual knowledge
On the genesis of mathematics and mathematical thinking - a network of motives and activities drawn from the history of mathematics
Using computer applications as versatile tools for constructivist learning environment
Challenging children's thinking activities in innovative technology-supported environments
Finnish mathematics results in TIMMS 1999 - a more detailed analysis
Procedural thinking in solving linear equations
Finnish students' mathematical literacy in PISA 2000 study
Designing tools for testing with open-ended question using JAVA technology
Epistemic demands in science education
The place of 'knowledge about science' in science education
Representing chemistry - chemical equations and formulae
Using the force concept inventory to characterise students' conceptual coherence
Conceptions of the cosmos
Teaching and studying physics and chemistry in upper secondary schools : a survey of the students' perspective in Finland
Development of computer courses in practical physics under the conditions of distance learning by the means of JAVA technology