1. Estimation with Base 10 Blocks Using Visuals Compared to Rounding

2. Estimation compared to Rounding Read 1 of the following excerpts – p.47 – p.192 – p.197 Why estimate? Why round? Ideas from excerpts: “Nice” Numbers Using a number line Rules of rounding Reasonableness of answer

3. Visual of Base 10 Blocks Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

5. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

6. 16

7. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

9. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

10. 39

11. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

13. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

14. 42 3 longs + 12 units

15. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

17. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

18. 44 4 longs + 4 units

19. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

21. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

22. 109 10 longs + 9 units

23. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

25. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

26. 98 9 longs + 8 units

27. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

29. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

30. 305 2 flats + 10 longs + 4 units

31. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

33. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

34. 589 5 flats + 8 longs + 9 units

35. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

37. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

38. 911 8 flats + 11 longs +1 unit

39. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

41. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

42. 911 8 flats + 10 longs +11 unit

43. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

45. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

46. 911 9 flats + 0 longs +11 unit

47. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

49. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

50. 911 9 flats + 1 longs +11 unit

51. With a partner… 1)Each person, make a group of base 10 blocks for your partner to estimate 2)Choose a quantity / number that means something to you 3)Cover the blocks with a paper and show quickly to your partner to estimate quantity 4)Partner estimates quantity 5)Tell them the quantity and decide if it is close and why 6)Describe the meaning of the number to you

52. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

54. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

55. 926 8 flats + 12 longs + 16 units

56. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

58. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

59. 699 5 flats + 19 longs + 9 units

60. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

62. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

63. 1,098 1 block + 9 longs + 8 units

64. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

66. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

67. 1,198 1 block + 1 flat + 9 longs + 8 units

68. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

70. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

71. 1,975 1 block + 9 flats + 7 longs + 5 units

72. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

74. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

75. 1,936 1 block + 8 flats + 12 longs + 16 units

76. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

78. Think on your own Estimate the quantity… Between which 2 numbers … Why? Pair share with a friend Share your thinking

79. 5,596 5 blocks + 5 flats +8 longs + 16 units

80. Estimate the quantity… Between which 2 numbers would you estimate the quantity? Why?

81. Debrief the Activity Share with a partner the connections you saw with the 4Rs and this activity

82. Four “Rs” of Culturally Responsive Teaching How will I build relationships with teachers, students, and families? In what ways will I message to ALL students that they are expected to attain high standards? What strategies will I use to make sure students and adults are able to show up as their authentic selves? How will I make sure the curriculum relates to students’ experiences, interests and backgrounds?