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Cm2
 

Cm2

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    Cm2 Cm2 Presentation Transcript

    • Calcul mental Vous avez 8 secondes pour calculer puis mettre votre réponse sur votre feuille. Si vous ne trouvez pas la réponse, mettre une croix à la place.
    •  
    •  
      • 2 × 9
      • 9 × 7
      • 4 × 3
    • 5 × 7
    • (3 × 2) + 4
      • 8,1 × 10
      • 7 × 3
      • 4 × 9
      • 95 : 10
      • 10 × 10
    • Correction 2 × 9 = 18 9 × 7 = 63 4 × 3 = 12 5 × 7 = 35 (3 × 2) + 4 = 6 + 4 = 10 8,1 × 10 = 81 7 × 3 = 21 4 × 9 = 36 95 : 10 = 9,5 10 × 10 = 100