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宿城区耿车中心小学 赵丽

6 、 5 、 4 、 3 、 2 加几. 宿城区耿车中心小学 赵丽. □. 4. 6 + 5 = □. 11. 1. 10. □. □. □. 4. 1. 6 + 5 = □. 6 + 6 = □. 11. 12. 1. 4. 2. □. 10. 10. 怎样想能很快说出得数？. 2. 6 + 9 = □. 5 + 8 = □. 因为 9 + 6 = 15. 因为 8 +5 = 13. 所以 6 + 9 = 15. 所以 5 + 8 = 13. 7+4= 4+7=. 9+5= 5+9=. 8+3=

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宿城区耿车中心小学 赵丽

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  1. 6、5、4、3、2加几 宿城区耿车中心小学 赵丽

  2. □ 4 6 + 5 = □ 11 1 10

  3. □ □ □ 4 1 6 + 5 = □ 6 + 6 = □ 11 12 1 4 2 □ 10 10

  4. 怎样想能很快说出得数？ 2 6 + 9 = □ 5 + 8 = □ 因为9 + 6 = 15 因为8 +5 = 13 所以6 + 9 = 15 所以5 + 8 = 13

  5. 7+4= 4+7= 9+5= 5+9= 8+3= 3+8=

  6. 做一做 1. 6 + 5 = 11 6 + 7 = 13 2. 10 6 + 5 = 11 6 + 6 = 12 6 + 4 = 13 15 6 + 7 = 6 + 8 = 14 6 + 9 = 3. 14 15 8 + 6 = 9 + 6 = 7 + 6 = 13 13 6 + 7 = 6 + 8 = 14 6 + 9 = 15

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