Mathematics Anxiety (MA) is a feeling of dread, which arises when an individual faces mathematics. Although it is expected that MA (just as poor numeracy) can have negative consequences on people’s everyday life, this is a relatively neglected area of research, as most studies on MA are conducted in educational contexts. Nevertheless, there is evidence, for example, that MA is linked to making suboptimal assessments of risks in health-related contexts, which could have dramatic consequences on an individual’s life prospects. In this project, we further explore the everyday consequences of MA, focusing on the ecological validity of methods. We will use both correlational and experimental approaches, and a variety of measurement techniques (e.g., experience sampling, in addition to the traditional questionnaire-based approaches) to provide a thorough picture of how MA affects daily life in adults once they leave formal education.