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As long as a bus : comparer les dinosaures (CM2)

Fiche à imprimer : le cours, les trois exercices et le corrigé (sur une page à part). Revenir au cours en ligne

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How long was it?Quelle était sa longueur ?
It was as long as a bus.Il était aussi long qu'un bus.
bigger than / smaller thanplus grand que / plus petit que
heavier than an elephantplus lourd qu'un éléphant
the biggest dinosaurle plus grand dinosaure
metres / tonnesdes mètres / des tonnes

Le T. rex mesurait environ 12 mètres : aussi long qu'un bus ! Le diplodocus dépassait 25 mètres. Certains dinosaures, au contraire, n'étaient pas plus grands qu'une poule. Pour comparer : bigger than, as long as, the biggest. Attention aux irréguliers : good → better → the best.

Mise en situation : au musée

Ella : How long was T. rex?
Quelle était la longueur du T. rex ?
Guide : About twelve metres. As long as a bus!
Environ douze mètres. Aussi long qu'un bus !
Ella : And Diplodocus? Was it bigger than T. rex?
Et le diplodocus ? Était-il plus grand que le T. rex ?
Guide : Much bigger! More than twenty-five metres long, and heavier than three elephants.
Bien plus grand ! Plus de vingt-cinq mètres de long, et plus lourd que trois éléphants.
Ella : Which was the biggest dinosaur?
Quel était le plus grand dinosaure ?
Guide : Probably a giant from South America, but scientists are still discovering new ones!
Sans doute un géant d'Amérique du Sud, mais les scientifiques en découvrent encore de nouveaux !

À retenir

  • bigger than, smaller than, heavier than, as long as.
  • the biggest, the heaviest ; How long was it? metres, tonnes.

Exercice 1 : Comparer les dinosaures : exercice 1 (QCM)

  1. « aussi long qu'un bus »
    1. as long as a bus
    2. as long than a bus
    3. so long as a bus of
  2. « plus grand que »
    1. more big than
    2. bigger that
    3. bigger than
  3. « plus lourd qu'un éléphant »
    1. heavier than an elephant
    2. more heavy than an elephant
    3. heavier that an elephant
  4. « le plus grand dinosaure »
    1. the biggest dinosaur
    2. the most big dinosaur
    3. the bigger dinosaur
  5. « Quelle était sa longueur ? »
    1. How long it was?
    2. How much long was it?
    3. How long was it?
  6. Le T. rex mesurait environ...
    1. 120 m
    2. 12 m
    3. 2 m
  7. Le diplodocus mesurait plus de...
    1. 250 m
    2. 25 m
    3. 5 m
  8. « bien plus grand »
    1. much bigger
    2. very bigger
    3. more bigger
  9. Comparatif de good :
    1. more good
    2. better
    3. gooder
  10. « sans doute, probablement »
    1. probable
    2. probly
    3. probably

Exercice 2 : Comparer les dinosaures : exercice 2 (à compléter)

  1. How .......................... was T. rex?
  2. As long .......................... a bus!
  3. Was it .......................... than T. rex?
  4. Much .......................... !
  5. It was heavier .......................... three elephants.
  6. Which was the .......................... dinosaur?
  7. About twelve .......................... .
  8. It was the .......................... animal. (le plus lourd)
  9. This dinosaur was .......................... than a chicken.
  10. Scientists are still .......................... new ones.

Exercice 3 : Comparer les dinosaures : mise en situation

  1. Ella demande la longueur du T. rex.
    1. How long T. rex was?
    2. How much long was T. rex?
    3. How long was T. rex?
  2. Environ 12 mètres, comme un bus.
    1. About twelve metres. As long as a bus!
    2. About twelve metres. So long than a bus!
    3. About twelve metre. As long like a bus!
  3. Le diplodocus était-il plus grand ?
    1. Was it bigger than T. rex?
    2. Was it bigger that T. rex?
    3. Was it more big than T. rex?
  4. Bien plus grand !
    1. Very bigger!
    2. Much bigger!
    3. More bigger!
  5. Plus lourd que trois éléphants.
    1. Heavier that three elephants.
    2. Heavier than three elephants.
    3. More heavy than three elephants.
  6. Ella demande quel était le plus grand.
    1. Which was the biggest dinosaur?
    2. Which was the bigger dinosaur?
    3. Which was the most big dinosaur?
  7. Les scientifiques en découvrent encore.
    1. Scientists still are discovering new one!
    2. Scientists are still discovering new ones!
    3. Scientists are discovering still news ones!
  8. Ce dinosaure était plus petit qu'une poule.
    1. This dinosaur was smaller that a chicken.
    2. This dinosaur was smaller than a chicken.
    3. This dinosaur was more small than a chicken.
  9. Tu es plus grand que ta sœur.
    1. I'm taller that my sister.
    2. I'm taller than my sister.
    3. I'm more tall than my sister.
  10. C'est le meilleur musée !
    1. It's the goodest museum!
    2. It's the best museum!
    3. It's the better museum!

Corrigé

Exercice 1

1. a) as long as a bus · 2. c) bigger than · 3. a) heavier than an elephant · 4. a) the biggest dinosaur · 5. c) How long was it? · 6. b) 12 m · 7. b) 25 m · 8. a) much bigger · 9. b) better · 10. c) probably

Exercice 2

1. long · 2. as · 3. bigger · 4. bigger · 5. than · 6. biggest · 7. metres · 8. heaviest · 9. smaller · 10. discovering

Exercice 3

1. c) How long was T. rex? · 2. a) About twelve metres. As long as a bus! · 3. a) Was it bigger than T. rex? · 4. b) Much bigger! · 5. b) Heavier than three elephants. · 6. a) Which was the biggest dinosaur? · 7. b) Scientists are still discovering new ones! · 8. b) This dinosaur was smaller than a chicken. · 9. b) I'm taller than my sister. · 10. b) It's the best museum!