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Estimer la somme et la différence de nombres décimaux

Estimer la somme et la différence de nombres décimaux. Estimate sum and difference of decimal numbers. Arrondir chaque nombre décimal à additionner. Additionner les nombres décimaux arrondis. Exemple Arrondir 0,988 + 0.53 1 + 0.5 Additionner 1 + 0,5 = 1,5. Règle.

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Estimer la somme et la différence de nombres décimaux

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  1. Estimer la somme et la différence de nombres décimaux

  2. Estimate sum and difference of decimal numbers

  3. Arrondir chaque nombre décimal à additionner. Additionner les nombres décimaux arrondis. Exemple Arrondir 0,988 + 0.53 1 + 0.5 Additionner 1 + 0,5 = 1,5. Règle

  4. Round each decimal term that will be added. Add the rounded terms Example Round 0.988 + 0.53 to 1 + 0.5 Add the rounded numbers to obtain the estimated sum of 1.5 Rule

  5. CHOCOLATS Mr Huge: 0,65 Coffee Kraft: 0,43 Kit Kut: 1,11 Aeria: 0,74 Freese: 1,45 Glossent: 0,84 Mike veut: 1 Mr Huge, 3 Aeria et 1 Glossent. Liam veut: 1 freese, 2 kit kut et 1 Coffee Kraft. Nad veut: 2 Coffee Kraft, 1 Glossent et 1 Freese. Estime les sommes

  6. CHOCOLATES Mr Huge: 0,65 Coffee Kraft: 0,43 Kit Kut: 1,11 Aeria: 0,74 Freese’s: 1,45 Glossent: 0,84 Dawson wants: 1 Mr Huge, 3 Aeria and 1 Glossent. Nancy wants: 1 freese, 2 kit kut and 1 Coffee Kraft. Will wants: 2 Coffee Kraft, 1 Glossent and 1 Freese. Estimate sums

  7. Estimer les sommes d’épicerie 1 2 3 4

  8. Estimate the grocery bills (sums) 1 2 3 4

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