Lesson 2

Field Trip

Est. Class Sessions: 2

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Use this DPP item to practice the subtraction facts in Group 2. Remind students to use strategies like using tens or thinking addition as they practice these facts.

  1. 4
  2. 6
  3. 7
  4. 5
  5. 7
  6. 8
  7. 9
  8. 9
  9. 2
  1. Possible response: I know that 16 − 6 = 10, so 16 − 7 is one less than 10, or 9.

E. Subtraction Facts: Group 2

Do the following problems in your head. Write only the answers.

  1. 14 − 10 =
  2. 16 − 10 =
  3. = 17 − 10
  4. = 14 − 9
  5. 16 − 9 =
  6. 17 − 9 =
  7. = 14 − 5
  8. = 16 − 7
  9. = 11 − 9
  1. Explain your strategy for solving 16 − 7.