Unité 5 Les loisirs Essayez! Écrivez les nombres en toutes lettres. (Write out the numbers.) 1. 10.000 dix mille 2. 620 3. 365 4. 42.000 5. 1.392.000 6. 171 7. 200.000.000 8. 480 9. 1.789 10. 400 11. 8.000.000 12. 5.053 Mathematical terms • You can talk about mathematical operations both formally and informally. Mathematical terms informal formal plus minus multiplied by divided by equals et moins fois sur font plus moins multiplié par divisé par égale 110 et 205 font 315 110 + 205 = 315 110 plus 205 égale 315 110 + 205 = 315 60 fois 3 font 180 60 × 3 = 180 60 multiplié par 3 égale 180 60 × 3 = 180 999 sur 9 font 111 999 ÷ 9 = 111 999 divisé par 9 égale 111 999 ÷ 9 = 111 • The expression pour cent (percent) is two words, not one. Le magasin offre une réduction de cinquante pour cent. The store is offering a fifty percent discount. Vérifiez À noter Activities in Chemins primarily use informal mathematical terms. deux cents millions six cent vingt un million trois cent quatre-vingt-douze mille trois cent soixante-cinq quarante-deux mille cent soixante et onze quatre cent quatre-vingts mille sept cent quatre-vingt-neuf quatre cents huit millions cinq mille cinquante-trois deux cent trente-neuf 239 PROFICIENCY DIFFERENTIATION 239 Structures Scaffolding • Write the numerical version of the math problems on the board. Read them to students using the informal set of mathematical terms. Tell students these are the terms they will see used in Chemins. Then read the problems again using the formal terms. • You may also want to teach your students these mathematical terms: la différence difference le produit product le quotient quotient la somme sum • Present the last bullet. Then write several math problems on the board. Have students read and solve them. Have students complete the Proficiency activity, p. 239. • Assign the Vérifiez activity. Essayez! Have students write four more numbers and exchange papers with a classmate, who will write out the numbers. If students struggle to complete the activity, have them watch the Grammar Tutorial. Connections: Math Have small groups of students work together to create a worksheet consisting of five math word problems for their classmates to complete. Have students take turns reading problems to the class or one of the other small groups, who, in turn, will solve the problems. Have groups include an answer key with their worksheets. Kinesthetic Learners Divide the class into groups of ten. Give a flashcard with a number from 0–9 to each person in each group. If one group is smaller, distribute extra numbers to group members, as needed, so some students have more than one card. Call out a three- to nine-digit number in which none of the digits is repeated. Students arrange themselves, showing their flashcard(s) to reflect the number. Repeat with other numbers.
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