This study assessed whether a sample of two hundred seven 3- to 7-year-olds could interpret multidigit numerals using simple identification and comparison tasks. Contrary to the view that young children do not understand place value, even 3-year-olds demonstrated some competence on these tasks. Ceiling was reached by first grade. When training was…

An observational study investigated which teaching opportunities within a role play activity could be considered valuable for the improvement of mathematical thinking. Observations indicated many such opportunities, suggesting that if teachers manage to make use of such teaching opportunities, children can explicitly reflect on the relationship…