Digital copies of these workbooks have become popular because many of the original printings are hard to find or are used as supplementary material by tutors.
For older students, the series offers a more advanced collection dedicated to middle school. This version is organized into chapters focusing on major branches of mathematics: algebra, geometry, and arithmetic. Each chapter begins with a concise recap of theoretical notions, followed by a variety of problems grouped by difficulty levels. Culegere Matematica Petrica.pdf
The collection is arguably the most valuable resource for the "Written Test" component of the Bacalaureate. Digital copies of these workbooks have become popular
While specific details for the third-grade version are less prominent online, the series is known to cover the full primary school curriculum, ensuring a consistent and progressive learning path. Each chapter begins with a concise recap of
These workbooks are widely available from major Romanian booksellers. You can find them on platforms like , librarie.net , Carturesti.ro , eMAG , and many other online and physical bookstores. Some bookstores, like Libris, even offer the option to browse the first few pages online for free before purchasing, allowing you to preview the content to see if it's the right fit for your child.
For B and C level problems, do not look at the final answer immediately. Write down what you know (ipoteza) and what you need to find (concluzia). Petrică’s genius is that 80% of hard problems become easy if you correctly translate the text into algebraic language.
. It wasn’t a flashy storybook with dragons or heroes, but for the students of the first grade, its 149 pages held a different kind of adventure.