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１ねんせいの計算
なん十 の けいさん
- 20 + 60 = 80
- 10 + 30 = 40
- 40 + 10 = 50
- 30 + 30 = 60
- 40 + 60 = 100
- 20 + 30 = 50
- 30 + 30 = 60
- 30 + 50 = 80
- 40 + 30 = 70
- 20 + 40 = 60
- 80 - 60 = 20
- 100 - 20 = 80
- 100 - 10 = 90
- 60 - 50 = 10
- 70 - 60 = 10
- 100 - 20 = 80
- 100 - 40 = 60
- 100 - 40 = 60
- 90 - 30 = 60
- 70 - 60 = 10
１ねんせいの計算
なん十 の けいさん
- 10 + 30 = 40
- 30 + 40 = 70
- 30 + 20 = 50
- 20 + 30 = 50
- 30 + 30 = 60
- 40 + 30 = 70
- 10 + 50 = 60
- 40 + 30 = 70
- 40 + 10 = 50
- 10 + 60 = 70
- 100 - 30 = 70
- 60 - 50 = 10
- 100 - 50 = 50
- 90 - 60 = 30
- 80 - 10 = 70
- 70 - 50 = 20
- 80 - 40 = 40
- 100 - 30 = 70
- 80 - 10 = 70
- 90 - 50 = 40