Design concept
According to the characteristics of children in large classes, I guide children to know ">" on the basis that children have already known "+","one" and "=". And ""and "
moving target
1. Understand ">" and "< Understand the meaning of inequality.
2. According to the characteristics of ">" and "<", let children remember the opening direction of these two symbols through nursery rhymes and body perception.
3. Cultivate the flexibility and reversibility of children's thinking.
Activities to be prepared
1. There are 4 pictures. The patterns in Figure 1 to Figure 4 are 8 rabbits, 6 ducklings, 4 flowers and 9 dolls. 2 plates of fruit; 2 boxes of toys.
2.7 digital cards (numbers are 8, 6, 5, 7, 4, 3,10 respectively); ">,"<" = "cards.
3. A set of digital flower headdress.
4. Make the classroom a smart room.
5. tape recorders and tapes.
Activity process
1. Take Scarab Sister in Animation City as the introduction, invite children to visit the smart house, play the music from the train and introduce the topic.
The second step is to know ">".
(1) Show two figures (Figure 1 and Figure 2). The children said this number. The teacher put up the corresponding digital cards (8 and 6) and guided the children to compare the two numbers, saying that 8 is big and 6 is small.
(2) Teacher: We can put a symbol between 8 and 6, so that everyone can know at a glance which side has the largest number and which side has the smallest number. We have learned "=" before. Can you play "="? Guide children to know ">". Focus on guiding children to observe ">" like smiling at a large number with their mouths open, indicating that the number in front is greater than the number behind. Say "8 is greater than 6".
(3) Show two plates of fruit and let the children say the number. Teachers will paste corresponding digital cards (7 and 5) to inspire and guide children to say "7 is greater than 5".
The third step is to understand "
(1) Show two pictures (Figure 3 and Figure 4) to let children feel the difference of their numbers. Teachers paste the corresponding digital cards (4 and 9), resulting in "
(2) Show two groups of toys, let children say numbers, and paste corresponding digital cards (3 and 10) to guide children to say "3 is less than 10".
(3) inspire children to find out ">" and "
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