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泸县百和镇土主学校 殷 勇

创设情境. 探索新知. 巩固深化. 泸县百和镇土主学校 殷 勇. 拓展延伸. 数一数:. ( )只, ( )只, ( )朵。. 3. 4. 3. 讨论: 和 ( ) . 同样多. 同样多. 3 和 3( ). =. 读作: 3 等于 3. 3 3. 等号. …. 讨论:. 同样多. 1 和 1 ( ). 1 = 1. 同样多. 5 = 5. 5 和 5 ( ). 比 ( ) . 讨论:. 多.

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泸县百和镇土主学校 殷 勇

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  1. 创设情境 探索新知 巩固深化 泸县百和镇土主学校 殷 勇 拓展延伸

  2. 数一数: ( )只, ( )只, ( )朵。 3 4 3

  3. 讨论:和 ( )  同样多 同样多 3 和 3( ) = 读作:3等于3 3 3 等号 …

  4. 讨论: 同样多 1 和 1( ) 1=1 同样多 5=5 5 和 5( )

  5. 比 ( )  讨论: 多 少 比 ( ) 少 多 4 比 3( ) 3 比 4( ) > < 读作:4大于3 4 3 3 4 读作:3小于4 大于号 小于号 … …

  6. ( )只, ( )只, ( )只, 5 2 1 ( )只, ( )只。 3 3 ( )比( )少,( )比( )多……. 2 2 5 5 ( )和( )同样多。 3 3

  7. 在 里填>、<或=,在 里填上适当的数。 = 1 0 > 3 3 < 5 2 1 4 > 2= 2> 3< 2 4 2 3> 1

  8. 思考:哪条线长,在 里面“√” √ √

  9. …… …… ……

  10. …… …… …… …… ……

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