Looking for ways of improvement of understanding in mathematics has been in the centre of attention of a number of researches and comparative studies worldwide Examples of these are for example two large scale studies – TIMSS a PISA.
Between 1995 and 2007 Czech pupils’ achievement in mathematics was declining; since 2007 a statistically significant improvement has shown on the level of 4th graders.
The decreasing achievement of Czech pupils occurred also in PISA between 2003 and 2009. That is why it is important to look for ways of improving the situation (Mullis et al., 2012; OECD,
2010).