Platforms like Infourok provide detailed lesson plans, problem sets, and methodological developments for both Part 1 and Part 2 of the textbook.
Official digital versions and supplementary materials are available through authorized educational platforms:
Measuring lengths, areas, and perimeters; understanding units of time such as hours and minutes. Accessing the Materials
Mastering addition and subtraction with regrouping, and the introduction of multiplication and division concepts.
Always ensure you are downloading materials from reputable educational sites to avoid copyright issues or malware.