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Module 2 Lesson 5

Module 2 Lesson 5. Connect visual models and the distributive property to partial products of the standard algorithm without renaming. Common Core Standards.

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Module 2 Lesson 5

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  1. Module 2 Lesson 5 • Connect visual models and the distributive property to partial products of the standard algorithm without renaming.

  2. Common Core Standards 5.OA.2 Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product.5.NBT.5 Fluently multiply multi-digit whole numbers using the standard algorithm.

  3. I can connect visual models and the distributive property to partial products of the standard algorithm without renaming. Learning Targets

  4. Sprint A

  5. Activate Knowledge Write the multiplication sentence 9 x 10 =

  6. Activate Knowledge Write the multiplication sentence 9 x 10 = 9 x 9 = 90 – ___

  7. Activate Knowledge Write the multiplication sentence 9 x 10 = 9 x 9 = 90 – ___ 9 x 9 = ___

  8. Activate Knowledge Write the multiplication sentence 9 x 100 =

  9. Activate Knowledge Write the multiplication sentence 9 x 100 = 9 x 99 = 900 – ___

  10. Activate Knowledge Write the multiplication sentence 9 x 100 = 9 x 99 = 900 – ___ 9 x 99 = ___

  11. Activate Knowledge Write the multiplication sentence 15 x 10 =

  12. Activate Knowledge Write the multiplication sentence 15 x 10 = 15 x 9 = 150 – ___

  13. Activate Knowledge Write the multiplication sentence 15 x 10 = 15 x 9 = 150 – ___ 15 x 9 = ___

  14. Activate Knowledge Write the multiplication sentence 29 x 100 =

  15. Activate Knowledge Write the multiplication sentence 29 x 100 = 29 x 99 = 2900 – ___

  16. Activate Knowledge Write the multiplication sentence 29 x 100 = 29 x 99 = 2900 – ___ 29 x 99 = ___

  17. Activate Knowledge Write the multiplication sentence 31 × 100 = _____

  18. Activate Knowledge Write the multiplication sentence 31 × 100 = _____ 3100 x 2 = _____

  19. Activate Knowledge Write 31 × 200 as a three-step multiplication sentence, taking out the hundred. 31 × 100 = _____ 3100 x 2 = _____ 31 x 200 = _____

  20. Activate Knowledge Write the multiplication sentence 24 × 100 = _____

  21. Activate Knowledge Write the multiplication sentence 24 × 100 = _____ 2400 x 3 = _____

  22. Activate Knowledge Write 24 × 300 as a three-step multiplication sentence, taking out the hundred. 24 × 100 = _____ 2400 x 3 = _____ 24 x 300 = _____

  23. Activate Knowledge Write the multiplication sentence 34 × 100 = _____

  24. Activate Knowledge Write the multiplication sentence 34 × 100 = _____ 3400 x 2 = _____

  25. Activate Knowledge Write 24 × 200 as a three-step multiplication sentence, taking out the hundred. 34 × 100 = _____ 3400 x 2 = _____ 34 x 200 = _____

  26. Activate Knowledge Aneisha is setting up a play space for her new puppy. She will be building a fence around part of her yard that measures 29 feet by 12 feet. How many square feet of play space will her new puppy have? If you have time, solve it in more than one way.

  27. Learn Can you solve mentally using the unit form strategy? 21 x 5 Problem 1

  28. Learn Represent your think with a tape diagram. 21 x 5 Problem 1

  29. Learn Since 5 is the unit, how can we show the area of each unit? Problem 1

  30. Learn Imagine that all 21 boxes are stacked vertically. 21 x 5 1 five … 20 fives Problem 1

  31. Learn We can simplify this drawing. 21 x 5 Problem 1

  32. Learn Compare the area diagram with the tape diagram 21 x 5 21 fives Problem 1

  33. Learn Compare the area diagram with the tape diagram 21 x 5 21 fives Problem 1

  34. Learn Can we turn this area model so that we count 5 groups of 21? 5 x 21 Problem 1

  35. Learn Relate the area model with the algorithm 23 × 31 23 1 30 Problem 2

  36. Learn Relate the area model with the algorithm 343 × 21 343 1 20 Problem 3

  37. Learn Relate the area model with the algorithm 231 × 32 231 2 30 Problem 4

  38. Practice

  39. Review

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