Ücretsiz Kullanmaya Başla

Unknown-addend problems Knowledge-Based Practice

Math · Number Sense & Operations · Math · Addition & Subtraction

5 Math practice questions on Unknown-addend problems. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    Given the equations a+54=120a + 54 = 120 and b+38=120b + 38 = 120, what is the value of b−ab - a?

    • A) 66
    • B) 24
    • C) 16
    • D) 82
  2. 2.

    Which equation has the same unknown addend as 37+□=8537 + \Box = 85?

    • A) 37+□=8837 + \Box = 88
    • B) 40+□=8540 + \Box = 85
    • C) 40+□=8840 + \Box = 88
    • D) 40+□=8240 + \Box = 82
  3. 3.

    Which number makes the equation □+48=35+62\Box + 48 = 35 + 62 true?

    • A) 145
    • B) 51
    • C) 49
    • D) 39
  4. 4.

    Which number makes the equation 17+□+35=9017 + \square + 35 = 90 true?

    • A) 142
    • B) 55
    • C) 48
    • D) 38
  5. 5.

    Which number makes the equation 36 + ___ = 82 true?

    • A) 56
    • B) 46
    • C) 54
    • D) 118

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