Mathematics
Grade-2
Easy

Question

Find the missing ones or tens digits.
15 + 59 = ⎕4

  1. 4    
  2. 5    
  3. 6    
  4. 7    

hintHint:

Use partial sum method by obtaining the ten's and one's of the given augend and addend.

The correct answer is: 7


    Given That:
    Find the missing ones or tens digits.
    15 + 59 = ⎕4
    >> By using partial sums:

    >> 15 + 59 = 74.
    >>> So, the missing tens digit is 7.

    15 + 59 = 74.

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