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Module 2 Lesson 20

Module 2 Lesson 20. Divide two- and three-digit dividends by two-digit divisors with single-digit quotients and make connections to a written method. Common Core Standards.

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Module 2 Lesson 20

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  1. Module 2 Lesson 20 • Divide two- and three-digit dividends by two-digit divisors with single-digit quotients and make connections to a written method.

  2. Common Core Standards • 5.NBT.6 Find whole-number quotients of whole numbers with up to four-digit dividends and two- digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.

  3. I can Divide two- and three-digit dividends by two-digit divisors with single-digit quotients and make connections to a written method. Learning Targets

  4. Activate Knowledge On your whiteboards, skip count by: 21

  5. Activate Knowledge Correct your work 21

  6. Activate Knowledge Skip count again 21

  7. Activate Knowledge On your whiteboards, skip count by: 43

  8. Activate Knowledge Correct your work 43

  9. Activate Knowledge Skip count again 43

  10. Activate Knowledge Round the divisor to the nearest 10 607 ÷ 19

  11. Activate Knowledge Name the multiple of 20 that’s closest to 607 607 ÷ 19 607 ÷ 20

  12. Activate Knowledge Below 600 ÷ 20, write the answer 607 ÷ 19 607 ÷ 20 607 ÷ 19 ≈ 600 ÷ 20

  13. Activate Knowledge Round the divisor to the nearest 10 123 ÷ 24

  14. Activate Knowledge Name the multiple of 20 that’s closest to 123 123 ÷ 24 123 ÷ 20

  15. Activate Knowledge Below 120 ÷ 20, write the answer 123 ÷ 24 123 ÷ 20 123 ÷ 24 ≈ 120 ÷ 20

  16. Activate Knowledge Round the divisor to the nearest 10 891 ÷ 96

  17. Activate Knowledge Name the multiple of 100 that’s closest to 891 891 ÷ 96 891 ÷ 100

  18. Activate Knowledge Below 900 ÷ 100, write the answer 891 ÷ 96 891 ÷ 100 891 ÷ 96 ≈ 900 ÷ 100

  19. Activate Knowledge Round the divisor to the nearest 10 5,482 ÷ 62

  20. Activate Knowledge Name the multiple of 60 that’s closest to 5,482 5,482 ÷ 62 5,482 ÷ 60

  21. Activate Knowledge Below 5,400 ÷ 60, write the answer 5,482 ÷ 62 5,482 ÷ 60 5,482 ÷ 60 ≈ 5,400 ÷ 60

  22. Activate Knowledge Solve using standard algorithm. Check answer by multiplying and Adding 73 ÷ 50

  23. Activate Knowledge Solve using standard algorithm. Check answer by multiplying and Adding 70 ÷ 30

  24. Activate Knowledge Solve using standard algorithm. Check answer by multiplying and Adding 157 ÷ 30

  25. Activate Knowledge Solve using standard algorithm. Check answer by multiplying and Adding 432 ÷ 70

  26. Activate Knowledge Billy has 2.4 m of ribbon for crafts. He wants to share it evenly with 12 friends. How many centimeters of ribbon would 7 friends get?

  27. Learn What is the whole? 72 ÷ 21 Problem 1

  28. Learn What multiple of 20 would makedivision easy? 72 ÷ 21 Problem 1

  29. Learn Solve 72 ÷ 21 Problem 1

  30. Learn Check 72 ÷ 21 Problem 1

  31. Round the divisor. Find a multiple of the divisor that makes the division easy. Estimate the quotient. Solve using the standard algorithm. • Check the answer Teamwork 94 ÷ 43 Problem 2

  32. Learn Find a multiple of 20 that wouldmake solving this problem easy 84 ÷ 23 Problem 3

  33. ✔ Check Understanding • Round the divisor. Find a multiple of the divisor that makes the division easy. Estimate the quotient. Solve using the standard algorithm. • Check the answer 57 ÷ 29 Problem 4

  34. Practice

  35. Review

  36. Learn ✔ Practice Check Understanding Review Activate Knowledge Learning Targets Teamwork

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