1. Kết nối tri thức với cuộc sống (Connecting Knowledge to Life)
Students are often asked to use a specific set of digits (e.g., 0, 1, and 2) to write all possible three-digit natural numbers without repeating digits. BГ i 2 trang 9 ToГЎn 6 tбєp 1
Presents a data table (such as the 2019 population of various provinces) to practice reading large numbers. BГ i 2 trang 9 ToГЎn 6 tбєp 1
Discusses the historical origin of natural numbers and the importance of a convenient writing system. BГ i 2 trang 9 ToГЎn 6 tбєp 1