Preparation materials: A5 cardboard, compasses, scissors, glue stick or double-sided tape, watercolor pen or marker.
Steps:
1. Fold A5 cardboard in half neatly, draw a circle on the cardboard with compasses instead of a complete circle, and then cut it along the outline of the pencil with scissors.
2. Cut out a big circle, two middle circles and two small circles, as shown below.
3. Draw the eyes, nose and mouth of small animals.
4. Write the blessing to the teacher on the inside of the greeting card or stick it with tape.
Mathematics is a subject that studies concepts such as quantity, structure, space and change. It studies the relations and properties between mathematical objects through logical reasoning and symbolic operation, which is a systematic and accurate way of reasoning and description.
Mathematics is widely used in science, engineering, economy, computer science and other fields. It not only provides theories and methods for other disciplines, but also plays an important role in cultivating logical thinking, analyzing and solving problems.
The core fields of mathematics include number theory, algebra, geometry, analysis, probability and statistics, mathematical logic and so on.
Characteristics of mathematics teachers
1. Strong mathematical knowledge and ability: A math teacher has solid mathematical knowledge and extensive mathematical skills, and can skillfully understand and master various mathematical concepts, theorems and methods. Strong mathematical understanding and application ability, able to solve complex mathematical problems and deduce and prove.
2. Patience and patience: Math teachers usually have high patience and patience. Willing to listen to students' questions, carefully explain and guide students to understand mathematical concepts and problem-solving methods. Be able to explain patiently and repeatedly to help students overcome and understand difficulties.
3. Clear expression ability: Mathematics teachers have clear and concise expression ability, and can explain and explain abstract mathematical concepts and methods in simple and easy-to-understand language. It can effectively transfer knowledge and make it easy for students to understand and master.