Mathematics
Grade-2
Easy

Question

Write missing tens or ones digit. 42 + 3⎕ = 75

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

hintHint:

Find by partial sum method.
To find partial sums add the digits in tens place and ones place seperately.

The correct answer is: 3


    Since  The missing digit place value is ones digit add the digits in tens place first
    Partial sum of  42 + 3⎕ = 75
    Step 1 : Add digits in tens place seperately:
    40
    + 30
    ___________
    70
    Here, 40 + 30 = 70
    Step 2 : Add digits in ones places
    since 1 is carried over, the tens digit place becomes 20
    02
    + 0 _
    _______
    05
    = 02 + x = 05
    x = 05 - 02
    x = 03
    Thus , the missing digit is 03,  42 + 33 = 75.

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