KidSafe Play
Quản lý con 👶
Ngôn ngữ
EN VI
Đăng nhập
Long ago people counted by carving marks into bones and sticks.

Long ago people counted by carving marks into bones and sticks.

Before there was paper, people cut little notches to keep track of how many. Some of those old counting bones are super ancient!

🧮 Tất cả điều thú vị về Đếm đồ vật →

Thêm điều thú vị về Đếm đồ vật

Counting means saying one number for each thing you touch. Counting means saying one number for each thing you touch. The last number you say tells how many there are. The last number you say tells how many there are. You can count things in any order and still get the same total. You can count things in any order and still get the same total. People often count on their fingers because we have ten of them. People often count on their fingers because we have ten of them. Zero means there is nothing there to count. Zero means there is nothing there to count.