Unknown-addend problems Knowledge-Based Download PDF

Questions

1. 1.

   The difference between 140 and 55 is equal to the sum of 32 and an unknown addend. What is the value of this unknown addend?

   • A) 43
   • B) 53
   • C) 63
   • D) 117
2. 2.

   Which value of $m$ makes the equation $47 + m = 29 + 63$ true?

   • A) 35
   • B) 42
   • C) 45
   • D) 55
3. 3.

   The sum of two numbers is 163. If one of the addends is 78, what is the other addend?

   • A) 75
   • B) 95
   • C) 241
   • D) 85
4. 4.

   What number belongs in the box to make the equation $26 + \square + 39 = 110$ true?

   • A) 55
   • B) 49
   • C) 71
   • D) 45
5. 5.

   What number should replace the question mark to make the equation true? $38 + ? = 92$

   • A) 130
   • B) 64
   • C) 54
   • D) 56