I. Activity objectives:
1. Willing to use measurement to solve specific problems in life and experience the application of measurement in life.
2. Learn the correct measurement methods through exploration and comparison, and initially understand the relationship between measurement tools and measurement results.
3. Cultivate children's ability to observe, compare and judge in activities.
4. Experience the life of mathematics and the fun of mathematics games.
5. Cultivate children's habit of speaking while operating.
Second, the activity preparation:
1, the experience that children have arranged one by one with equal-length measuring tools to measure.
2. Learning tools of different lengths, such as rulers, ropes, sticks, plastic products, paper strips, etc. Pens, measurement records, etc.
3. Decorate Snow White's home. Activity scene: several small beds, tables, etc.
Third, the activity process:
First, organize children to visit the story scene of Snow White, set the question situation, and stimulate children's interest in measurement.
Introduction: Spring has arrived. Snow White wants to decorate the dwarf's home, but she has a problem. Are you willing to help her?
Second, the child tries to solve the problem-measure the floor tile and explore the correct measurement method.
1, guiding ideology: Snow White will lay floor tiles for the dwarf's home. How can she clearly tell the workers in the tile factory the size of the floor tile?
Children try to measure with the same tool.
3. Guide children to compare the measurement results and explore the correct method of finding measurement.
Discussion: Why do you get different results by choosing the same tool?
Methods: Accurately find the starting point, measure along the edge line, draw a mark with a pen (thumb), and connect it end to end.
Third, children try to solve the problem-measuring bed, and explore the relationship between measuring tools and measuring results.
1. Thinking: Snow White wants to make a new bedspread for the dwarf's crib. How do you know the width and length of the bedspread?
2. The teacher introduced the measurement records.
3. Children choose their own measuring tools to measure.
Teachers patrol to observe and understand the situation of children's measurement; Encourage children to measure and record with different tools.
4. Guide children to exchange measurement results, initially understand the relationship between measurement tools and measurement results, and accumulate measurement experience.
Discussion: Are the position measurements the same and the quantity the same? Why?
Summary: The longer the measuring tool, the smaller the measured result; The shorter the measuring tool, the greater the measurement result.
Fourth, activity extension: guide and choose 2-3 kinds of measuring tools that you are interested in to measure the objects in the surrounding life and accumulate measuring experience.
Teaching reflection
It is difficult for preschool children to understand the concept and measurement significance of sum. Only by using what they see in their daily life and letting them operate and do it themselves can they truly appreciate the fun of measurement. Children are more interested in participating in this activity, but the record of the measurement results is not good. I reflected on this activity: although the children were very happy and participated in the activity, their hands-on ability was not strong enough. In the future mathematics teaching, we should exercise children's practical ability more.