Mathematics activities in kindergarten large classes: addition of numbers within 10
Teaching objectives
Through hands-on operation, cooperation and communication, I initially understood the meaning of adding numbers within 10. Master the calculation method of continuous addition.
Important and difficult
Children contact the actual situation, experience the meaning of addition and understand the operation order.
Children understand the formulas that list pictures and meanings.
Activities to be prepared
PPT courseware, operation exercises, pens and erasers.
teaching process
First review the number addition within 10, and PPT shows the formula "Do you remember, little friend?" 》。
Teachers and children can answer formula answers together, and can do single questions.
Second, scene import.
PPT presentation: Look who this is, little friend. What are they doing?
Teacher: It's been a long time since the new semester started, and these lambs in Yangcun are actively preparing for the spring outing! Don't you think Pleasant Goat is planning a spring outing? Let's follow Pleasant Goat's team and see what they have done.
Second, actively explore and understand.
1. Play PPT: Did we find it? Pleasant goat picks pumpkins for the first time. How many pumpkins did they pick? How many pumpkins did the staff here bring?
2, children explore calculation, the teacher shows the calculation method 4+2+ 1=?
3. The teacher talks about the calculation method and works out the answer.
An expression like this with more than one plus sign is called continuous addition. Concatenation first calculates how much the first two numbers add, and then continues to add with the following numbers with this added number.
The teacher asked the children to work out the answers, showed the answers and praised the children who calculated correctly.
4. Continue the PPT presentation. After picking pumpkins, they are preparing to continue playing. What did they find? There is a child feeding the chicken!
Teacher: There are five chickens in the grass. Here come 1, and here come two more. How many chickens are there now?
The teacher continued to show the calculation method of 5+ 1+2=8 in PPT.
Everyone is very tired. They have been to many places. When they were ready to go home, Meiyangyang shouted, "Look, bird!" " Teacher: How many birds do you see in the tree? Three birds flew in, and three others flew behind. How many birds are there now? How do we calculate the formula? Animation together, right?
4+3+3= 10 animation playback calculation process.
Third, the children's operation teacher: The village chief said that the smartest thing in the village is Pleasant Goat, so let the children practice by themselves and see if you can calculate the addition like Pleasant Goat.
Practice writing formulas according to the pictures and calculate them correctly.
1, diagram calculation;
2, see if you remember-review the addition of numbers within 10;
3. Calculate the number of trains-write the numbers directly;
4. Help animals find their homes-connect questions.
In summary, the village head of Yangcun told the teacher that our children are as smart and lovely as Pleasant Goat. Children, today you learned how to add numbers below 10. Remember to go home and ask your parents if they are happy sheep? Or a lazy sheep?