1. Finger counting: Finger counting is one of the oldest and most primitive counting methods. People use fingers to represent numbers, and the bent and straight state of each finger represents different numbers. When your fingers are not enough, you can continue counting with your wrists, arms and other body parts.
2. Counting shells and stones: Some ancient civilizations used shells, stones or other objects as counting tools. Classify or put things together to represent specific numbers. This counting method is common in primitive society and some tribal cultures.
3. Abacus calculation: In ancient China, abacus was a common calculation tool. Beads on the abacus represent numbers by moving and placing them, and people perform mathematical operations by pushing the beads.
4. Marking and scribing: scribing or marking on wood, stone or other objects is a simple counting method. By the number of nicks, people can count and represent numbers.
5. Formulas and ballads: Some cultural traditions have specific formulas and ballads to help people remember and count. For example, the rhyme "12345", which often appears in nursery rhymes, can help children remember the numerical order.
With the passage of time, people gradually developed more advanced counting systems, including Arabic numeral system and other symbol systems. These systems represent numbers by specific symbols, and now they have become common counting methods in modern society.
Main contents of picture books
1, storyline: Picture books guide readers into an interesting, romantic or imaginative world through a coherent storyline. These plots may involve adventure, growth, friendship, family, animal stories and so on.
2. Role-building: The characters in picture books often have distinct personality characteristics. By describing the appearance, behavior and emotion of those characters, readers can feel or feel the roles.
3. Picture illustration: Picture books take pictures as the main form of expression. Picture illustration is usually used to show the changes of scenes, characters and emotions, and to attract readers' attention through colors, lines and composition.