Lesson 1

Measure with Nonstandard Units

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X
  1. 12
  2. 12
  3. 3
  4. 14
  5. 11
  6. 10
  7. 13
  8. 5
  9. 12
  1. False; Possible responses:
    8 + 5 = 10 + 3
    9 + 4 = 10 + 3
    8 + 4 = 9 + 3
    8 + 4 = 10 + 2
  2. Possible response: I know 10 + 4 = 14, so 9 + 4 is one less, or 13.

Ongoing Assessment

Use DPP item D to assess students' strategies with addition and abilities to relate three whole numbers for the facts in Group E [E11, 12].

D. Math Facts: Group E

  1. 5 + 7 =
  2. 8 + 4 =
  3. 12 = + 9
  4. = 9 + 5
  5. 10 + 1 =
  6. 3 + = 13
  7. 9 + 4 =
  8. 13 = 8 +
  9. 10 + 2 =
  1. Is the following statement true or false? If it is false, change one number to make it true.

    8 + 4 = 10 + 3

  1. Show or tell how you solved Question G.


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