Lesson1

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Lesson1

  1. 1. Adding Number Sets
  2. 2. 13 11 9 10 A B C D
  3. 3. 13 11 9 10 A B C D
  4. 4. 3 17 7 4 A B C D + =?
  5. 5. 3 17 7 4 A B C D + =?
  6. 6. 5 27 15 3 A B C D + =?
  7. 7. 5 27 15 3 A B C D + =?
  8. 8. 6 9 12 7 A B C D + =?
  9. 9. 6 9 12 7 A B C D + =?
  10. 10. 10 11 12 13 A B C D
  11. 11. 10 11 12 13 A B C D
  12. 12. 2 + 4 = ? A 2 B 6 C 4 D 8
  13. 13. 2 + 4 = ? A 2 B 6 C 4 D 8
  14. 14. 3 + 4 = ? A 5 B 2 C 7 D 4
  15. 15. 3 + 4 = ? A 5 B 2 C 7 D 4
  16. 16. 3 + ? = 7 A 1 B 2 C 3 D 4
  17. 17. 3 + ? = 7 A 1 B 2 C 3 D 4

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