GoConqr hat ein neues Design! Sag uns, wie es dir gefällt.

Kostenlos registrieren

Karteikarten

Mental Subtraction using addition in reverse.

Bruce Akitt Mathematics Grade 12 Englisch 60 Karten

Mental Subtraction using addition in reverse.

Karten in diesem Stapel (60)

  1. 1—
  2. 218 - 9 = ___Think: 18 = 9 + _9_
    So: 18 - 9 = _9_
  3. 317 - 8 = ___Think: 17 = 8 + _9_
    So: 17 - 8 = _9_
  4. 416 - 7 = ___Think: 16 = 7 + _9_
    So: 16 - 7 = _9_
  5. 515 - 6 = ___15 - 6 = _9_
  6. 614 - 5 = ___14 - 5 = _9_
  7. 713 - 4 = ___13 - 4 = _9_
  8. 812 - 3 = ___12 - 3 = _9_
  9. 911- 2 = ___11- 2 = _9_
  10. 1010 - 1 = ___10 - 1 = _9_
  11. 1116 - 8 = ___16 - 8 = _8_
  12. 1215 - 7 = ___15 - 7 = _8_
  13. 1310 - 1 = ___10 -1 = _9_
  14. 1414 - 6 = ___14 - 6 = _8_
  15. 1513 - 5 = ___13 - 5 = _8_
  16. 1612 - 4 = ___12 - 4 = _8_
  17. 1711 - 3 = ___11 - 3 = _8_
  18. 1810 - 2 = ___10 - 2 = _8_
  19. 199 - 1 = ___9 - 1 = _8_
  20. 2014 - 7 = ___14 - 7 = _7_
  21. 2113 - 6 = ___13 - 6 = _7_
  22. 2212 - 5 = ___12 - 5 = _7_
  23. 2311 - 4 = ___11 - 4 = _7_
  24. 2410 - 3 = ___10 - 3 = _7_
  25. 259 - 2 = ___9 - 2 = _7_
  26. 268 - 1 = ___8 - 1 = _7_
  27. 2712 - 6 = ___12 - 6 = _6_
  28. 2811 - 5 = ___11 - 5 = _6_
  29. 2910 - 4 = ___10 - 4 = _6_
  30. 309 - 3 = ___9 - 3 = _6_
  31. 318 - 2 = ___8 - 2 = _6_
  32. 327 - 1 - ___7 - 1 = _6_
  33. 3310 - 5 = ___10 - 5 = _5_
  34. 349 - 4 = ___9 - 4 = _5_
  35. 358 - 3 = ___8 - 3 = _5_
  36. 367 - 2 = ___7 - 2 = _5_
  37. 376 - 1 = ___6 - 1 = _5_
  38. 388 - 4 = ___8 - 4 = _4_
  39. 397 - 3 = ___7 - 3 = _4_
  40. 406 - 2 = ___6 - 2 = _4_
  41. 415 - 1 = ___5 - 1 = _4_
  42. 426 - 3 = ___6 - 3 = _3_
  43. 435 - 2 = ___5 - 2 = _3_
  44. 444 - 1 = ___4 - 1 = _3_
  45. 454 - 2 = ___4 - 2 = _2_
  46. 463 - 1 = ___3 - 1 = _2_
  47. 4717 - 9 = ___17 - 9 = _8_
  48. 4816 - 9 = ___16 - 9 = _7_
  49. 4915 - 9 = ___15 - 9 - _6_
  50. 5014 - 9 = ___14 - 9 = _5_
  51. 5113 - 9 - ___13 - 9 = _4_
  52. 5212 - 9 = ___12 - 9 = _3_
  53. 5311- 9 - ___11 - 9 = _2_
  54. 5410 - 9 = ___10 - 9 = _1_
  55. 5515 - 8 = ___15 - 8 = _7_
  56. 5614 - 8 = ___14 - 8 = _6_
  57. 5713 - 8 = ___13 - 8 = _5_
  58. 5812 - 8 = ___12 - 8 = _4_
  59. 5911 - 8 = ___11 - 8 = _3_
  60. 6010 - 8 = ___10 - 8 = _2_

Informationen

Beschreibung
Develop skill to automatically respond to subtraction facts by using addition facts in reverse. This will require the development and use of a previous skill to be able to automatically respond to any one of the four forms of an addition fact "family".
Erstellt von
Bruce Akitt
Aufrufe
16
Bewertung

Feedback

Worum geht es?

Wie gefällt dir das neue Design?

Dein Eindruck