Understanding rational numbers is critical for secondary mathematics achievement.
However, students with mathematics difficulties (MD) struggle with rational number topics …

We propose that integrated number sense, the ability to fluidly translate and compare
magnitudes within and across notations, is central to understanding of rational numbers …

Background Recent research showed that cross‐notation magnitude knowledge of fractions
and decimals was related to better performance in fraction arithmetic, but it remains unclear …

Impacts of rational number interventions among US students in Grades 3 through 9 with
mathematics difficulties are examined using a systematic review and meta-analysis. The …

It is well known that fraction knowledge is relevant for later success in mathematics.
However, many students still face difficulties when dealing with fractions. Predictors of …

Background Research has shown that mathematics anxiety negatively correlates with
primary school mathematics performance, including fraction knowledge. However, recently …

Previous research on the role of prior skills like proportional reasoning skills for the
development of mathematical concepts offers conclusions such as “more (prior skills) is …

Understanding fractions and decimals requires not only understanding each notation
separately, or within-notation knowledge, but also understanding relations between …

Although a good rational number understanding is of crucial importance for learners'
general maths achievement, many learners have misconceptions about fractions. An often …

Students often show difficulties in understanding rational numbers. Often, these are related
to the natural number bias, that is, the tendency to apply the properties of natural numbers to …