Lesson 5

Completing the Table

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

Use this DPP item to practice the subtraction facts in Groups 7 and 8.

  1. 7
  2. 9
  3. 8
  4. 6
  5. 7
  6. 8
  7. 6
  8. 7
  9. 9
  10. 8
  11. 7
  12. 5
  13. 6
  14. 3
  15. 4
  16. 5
  1. I used doubling. I thought about 9 + 9 = 18 so 18 − 9 = 9.

Q. Subtraction Facts: Groups 7 and 8

  1. = 14 − 7
  2. 17 − 8 =
  3. 15 − 7 =
  4. = 12 − 6
  5. − 2 = 5
  6. 18 − 10 =
  7. 13 − 7 =
  8. = 15 − 8
  9. = 18 − 9
  10. 16 − 8 =
  11. 13 − 6 =
  12. = 10 − 5
  13. = 14 − 8
  14. 6 − = 3
  15. 8 − 4 =
  16. 12 − 7 =
  1. What strategy did you use to answer Question I?