Lesson 4

Doubles +1, Doubles −1

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

Students should notice that the addition math facts group for this unit includes doubles and near doubles.

  1. 8
  2. 6
  3. 12
  4. 9
  5. 10
  6. 11
  1. Strategies will vary. Possible response: Since 5 + 5 = 10, then 5 + 6 is one more or 11.

L. Adding Doubles and Near Doubles

  1. 4 + 4 = ____
  2. 3 + 3 = ____
  3. 6 + 6 = ____
  4. 4 + 5 = ____
  5. 5 + 5 = ____
  6. 5 + 6 = ____
  1. Show or tell how you solved Question F.