The aim of this study was to investigate differences in student teachers' and experienced
teachers' professional vision in natural settings and to elicit clues of the relation of in-the …

Many children and adults have difficulty gaining a comprehensive understanding of rational
numbers. Although fractions are taught before decimals and percentages in many countries …

Arithmetic is still hugely important in many aspects of modern life, but our personal attitudes
to it differ greatly. Many people struggle with the basic principles of arithmetic, whilst others …

Rational numbers are amongst the most difficult topics in the elementary and secondary
school curriculum and teaching them requires an appropriate knowledge base of teachers to …

When school students compare the numerical values of fractions, they have frequently been
found to be biased by the natural numbers involved (eg, to believe that 1/4> 1/3 because 4> …

Two experiments investigated the whole number bias in the representation of fraction
magnitudes with adults. A fraction magnitude comparison task was used where half of the …

How do we understand numbers? Do animals and babies have numerical abilities? Why do
some people fail to grasp numbers, and how we can improve numerical understanding …

This research aims to explore students' learning obstacles in solving fraction problems in
elementary school. This qualitative research used a case study method. The research …

Math anxiety (MA; ie, feelings of anxiety experienced when being confronted with
mathematics) can have negative implications on the mental health and well-being of …

When reasoning about rational numbers, people sometimes incorrectly apply principles or
rules for natural numbers. Many factors affect whether participants display this natural …