Lesson 25 of Minna no Nihongo I focuses on helping beginners communicate about shopping, prices, and basic commercial interactions. This lesson emphasizes asking about products, inquiring politely about prices, and expressing preferences when buying items. Learners are encouraged to practice vocabulary in context, combining nouns, verbs, and polite forms to form complete sentences suitable for everyday shopping situations. Strategies include repetition, practicing dialogues in store scenarios, role-playing buying and selling, and integrating expressions into daily life, which reinforce understanding and practical usage. Practicing Lesson 25 content allows learners to communicate effectively in shops, ask about products or prices politely, and engage in smooth commercial interactions, providing a strong foundation for real-life shopping situations in Japanese.