NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 3: Integers - Problems and Solutions
Question 61

Question. 61

61. Using integers with appropriate signs, write the following:

Q61 statements
  1. 200 m above sea level
  2. 100 m below sea level
  3. 10 m above sea level
  4. Sea level

Answer:

(a) \(+200\), (b) \(-100\), (c) \(+10\), (d) \(0\)

Detailed Answer with Explanation:

Step 1: Decide the sign.

  • Above sea level → use a positive sign (+)
  • Below sea level → use a negative sign (−)
  • At sea level → the number is (0)

Step 2: Write each statement as an integer.

  1. 200 m above sea level
    (+200)
  2. 100 m below sea level
    (-100)
  3. 10 m above sea level
    (+10)
  4. Sea level
    (0)
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