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U ovome je radu prikazan kratak povijesni pregled razvoja brojevnih sustava - od pramatematike preko Egipta, Mezopotamije, Grčke, Rima, Indije, Kine i Arapa do brojevnih sustava koji se danas koriste u računalima. Svakom je brojevnom sustavu posvećeno jedno poglavlje u kojem je dan povijesni kontekst te su navedene osnovne značajke uz poneki primjer računanja ili zanimljivost. U zasebnom su poglavlju proučavane i glagoljske brojke koje su koristili Hrvati od 9. st. Kako bi se lakše shvatio razvoj brojevnih sustava, na početku rada su predstavljene i objašnjene osnovne tvrdnje o brojevnim sustavima. This paper presents a brief historical overview of the development of numeral systems - from pre-mathematics through Egypt, Mesopotamia, Greece, Rome, India, China and the Arabs to numeral systems used in computers today. Each chapter is dedicated to one numeral system in which is given the historical context and the basic features, with some examples of calculation or interesting facts. In a separate chapter Glagolitic numerals used by Croats from the 9th century were also studied. In order to better understand the development of numeral systems, the basic statements about numeral systems are presented and explained at the beginning of the paper.

This thesis focuses on thinking and reasoning in preschool children in the mathematical education and deals with the development of thinking in this group. This thesis is based on the fact that preschool education is indispensable. The theoretical part is focused on development, stimulate thinking and types of preschool age child. The practical part is to stimulate thinking processes reduced to thinking and reasoning, or the possibility of stimulation in the form of worksheets. This thesis presents thirteen original worksheets, whose suitability was tested on twenty children aged 5-6 years in one kindergarten.