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CALCUL MENTAL

CALCUL MENTAL. Recopie et complète:. Bruno DELACOTE Collège de MASEVAUX. Pour éviter les coups d ’oeil inopportuns aux conséquences parfois fâcheuses deux élèves voisins répondent aux questions de couleurs différentes !. 1 er calcul. Réfléchissez!. 4 dm = cm. 5 m = cm.

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CALCUL MENTAL

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  1. CALCUL MENTAL Recopie et complète: Bruno DELACOTE Collège de MASEVAUX Pour éviter les coups d ’oeil inopportuns aux conséquences parfois fâcheuses deux élèves voisins répondent aux questions de couleurs différentes !

  2. 1er calcul Réfléchissez! 4 dm = cm 5 m = cm

  3. 1er calcul 1er calcul Ecrivez! 4 dm = cm 5 m = cm

  4. 2emecalcul 2eme calcul Réfléchissez! 4 m = cm 5 dm = cm

  5. 2emecalcul 2eme calcul Ecrivez! 4 m = cm 5 dm = cm

  6. 3emecalcul 3eme calcul Réfléchissez! 4 dam = m 5 hm = m

  7. 3emecalcul 3eme calcul Ecrivez! 4 dam = m 5 hm = m

  8. 4emecalcul 4eme calcul Réfléchissez! 4 km = m 5o km = m

  9. 4emecalcul 4eme calcul Ecrivez! 4 km = m 5o km = m

  10. 5emecalcul 5eme calcul Réfléchissez! 400 km = m 5 km = m

  11. 5emecalcul 5eme calcul Ecrivez! 400 km = m 5 km = m

  12. 6emecalcul 6eme calcul Réfléchissez! 0,03 km = m 0,02 m = cm

  13. 6emecalcul 6eme calcul Ecrivez! 0,03 km = m 0,02 m = cm

  14. 7emecalcul 7eme calcul Réfléchissez! 0,03 m = cm 0,2 km = m

  15. 7emecalcul 7eme calcul Ecrivez! 0,03 m = cm 0,2 km = m

  16. 8emecalcul 8eme calcul Réfléchissez! 2 m = mm 7 m = dm

  17. 8emecalcul 8eme calcul Ecrivez! 2 m = mm 7 m = dm

  18. 9emecalcul 9eme calcul Réfléchissez! 20 m = dm 70 m = dam

  19. 9emecalcul 9eme calcul Ecrivez! 20 m = dm 70 m = dam

  20. 10emecalcul Réfléchissez! 20 m = dam 70 m = dm

  21. 10emecalcul 10eme calcul Ecrivez! 20 m = dam 70 m = dm

  22. Poser les stylos

  23. 1er calcul 1er calcul Ecrivez! 4 dm = 40 cm 5 m = 500 cm

  24. 2emecalcul 2eme calcul Ecrivez! 4 m = 400 cm 5 dm = 50 cm

  25. 3emecalcul 3eme calcul Ecrivez! 4 dam = 40 m 5 hm = 500 m

  26. 4emecalcul 4eme calcul Ecrivez! 4 km = 4000 m 5o km = 50 000 m

  27. 5emecalcul 5eme calcul Ecrivez! 400 km = 400 000 m 5 km = 5 000 m

  28. 6emecalcul 6eme calcul Ecrivez! 0,03 km = 30 m 0,02 m = 2 cm

  29. 7emecalcul 7eme calcul Ecrivez! 0,03 m = 3 cm 0,2 km = 200 m

  30. 8emecalcul 8eme calcul Ecrivez! 2 m = 0,002 mm 7 m = 70 dm

  31. 9emecalcul 9eme calcul Ecrivez! 20 m = 200 dm 70 m = 7 dam

  32. 10emecalcul 10eme calcul Ecrivez! 20 m = 2 dam 70 m = 700 dm

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