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连加连减

连加连减. 实验小学杨秀杰. 口算号. 4+1=  5+2=  5-2= . 3. 8-2=  . 6. 5. 7. 5+3= 7+1= 3-1= . 8. 8. 2. 6-2= . 4. 现在又是几只小鸡呢？. 连 加. 5 + 2 + 1. 你是怎么算出的？. 8. 5 + 2 + 1 =. 5 + 2 + 1 =. 8. 7. 8. 从左至右。. 还有几只小鸡？. 连 减. 8 － 2 － 2. 8 － 2 － 2 =. 4. 6. 4.

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连加连减

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  1. 连加连减 实验小学杨秀杰

  2. 口算号 4+1=  5+2=  5-2=  3 8-2=   6 5 7 5+3= 7+1= 3-1=  8 8 2 6-2=  4

  3. 现在又是几只小鸡呢？

  4. 连 加 5 + 2 + 1

  5. 你是怎么算出的？ 8 5 + 2 + 1 =

  6. 5 + 2 + 1 = 8 7 8 从左至右。

  7. 还有几只小鸡？

  8. 连 减 8 －2 － 2

  9. 8－2－2 = 4 6 4 从左往右计算。

  10. 2 8 = + 3+ 3

  11. +1= 4+2  7 6

  12. －4 4 10 －2＝

  13. 口算号 4+1=5 5+3=8 5 5+2=7 7+1=8 5-2=3 3-1=2 8-2=6 6-2=4 5 5+2+1=8 4+1+3=8 8-2-2=4 5-2-1=2

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