Намиране на неизвестно събираемо и неизвестно умаляемо "Б"

Намиране на неизвестно събираемо и неизвестно умаляемо "Б"

4 клас
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  • Slide image
  • Image for quiz
    x + 100= 500
    answers
    400
    600
    100
  • Image for quiz
    429 + х = 673
    answers
    254
    244
    234
  • Image that adds addition information to an open question
    345 + x = 475 x = ?
    answers
    • "30"
  • Image that adds addition information to an open question
    x + 289 = 613 x = ?
    answers
    • "324"
  • Image for quiz
    x - 300 = 400
    answers
    100
    700
    200
  • Image for quiz
    x - 234 = 382
    answers
    148
    432
    616
  • Image that adds addition information to an open question
    x - 198 = 444 x = ?
    answers
    • "642"
  • Свържи всяка задача с верния отговор!
    answers
    • x +123 = 500
      х = 377
    • x + 245 = 587
      х = 342
  • x - 734 = 50
    Image answer for a group
    x - 587 = 140
    Image answer for a group
    x - 325 = 632
    Image answer for a group
  • Image for quiz
    Намислих число. Събрах го с 349 и получих 579. Кое число намислих?
    answers
    230
    130
    928
  • Image for quiz
    Намислих число, от което извадих 348. Получих 452. Кое число намислих?
    answers
    104
    204
    800
  • Pick the correct location on this image
  • Pick the correct location on this image
  • Pick the correct location on this image
  • Огради героят, който е решил вярно задачата.
    Image on which participants will draw, thus giving answers
  • Slide image
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