Lesson 2

Introduce Base-Ten Pieces

Est. Class Sessions: 3–4

Daily Practice and Problems

Teacher Notes
X

Use DPP item E to practice the addition facts in Group D.

  1. 12
  2. 13
  3. 8
  4. 9
  5. 14
  6. 15
  7. 4 + 4 = 8 so
    4 + 5 is one more or 9.

E. Group D Facts

Use a number line, connecting cubes, or 200 Chart.

  1. 6 + 6 =
  2. = 6 + 7
  3. = 4 + 4
  4. = 4 + 5
  5. 7 + 7 =
  6. 8 + 7 =
  7. Show how Question C can help you solve Question D.