Estimer la somme et la différence de nombres décimaux.

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Presentation transcript:

Estimer la somme et la différence de nombres décimaux

Estimate sum and difference of decimal numbers

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

Rule Round each decimal term that will be added. Add the rounded terms Example Round to Add the rounded numbers to obtain the estimated sum of 1.5

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

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

Estimer les sommes dépicerie

Estimate the grocery bills (sums)