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北师大版二年级数学下册

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北师大版二年级数学下册. 教学目标. 本节课要求同学们通过在计数器上拨珠等活动,了解万以内数的顺序,会读写万以内的数。. 2. 9. 8. 2. 9. 9. ?. ?. 3. 0. 0. 3. 0. 1. 3. 0. 2. 3. 8. 0. 0. 3. 9. 0. 0. ?. 4. 0. 0. 0. 你拨我读. 806. 9030. 4800. 我来说!. 在数中间有多个连续的零时,只读一个;但在写数时一定要注意零的个数,不要少写。. 252. 2003. 999. 1001. 1000. 998.

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Presentation Transcript
slide2

教学目标

本节课要求同学们通过在计数器上拨珠等活动,了解万以内数的顺序,会读写万以内的数。

slide3

2

9

8

slide4

2

9

9

slide7

3

0

0

slide8

3

0

1

slide9

3

0

2

slide10

3

8

0

0

slide11

3

9

0

0

slide13

4

0

0

0

slide15

806

9030

4800

slide16

我来说!

在数中间有多个连续的零时,只读一个;但在写数时一定要注意零的个数,不要少写。

slide17

252

2003

slide18

999

1001

1000

998

slide20

本课小结

本节课我们首先学习了用算盘来表示数,同学们一定要注意进位和退位问题。

在读数和写数的过程中要注意多个连续的零的情况,课下同学们分组练习,熟练掌握本节的内容。