1. What is 3 - 8?
- A-5
- B5
- C-11
- D11
Show answer
Answer: A) -5
Since 8 is greater than 3, the result is negative: 3 - 8 = -5.
Class 6 Subtraction of Integers — practice questions with answers
Integers · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.
2. What is -23 - 17?
- A-40
- B-6
- C40
- D6
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Answer: A) -40
-23 - 17 = -(23 + 17) = -40.
3. A submarine off the coast of Goa is at -150 m (150 m below sea level).
It rises to -40 m.
How many metres did it rise?
It rises to -40 m.
How many metres did it rise?
- A110 m
- B190 m
- C-110 m
- D190 m below
Show answer
Answer: A) 110 m
Rise = final - initial = -40 - (-150) = -40 + 150 = 110 m.
4. Consider the subtraction (-7) - (-2).
A student wrongly wrote the answer as -9.
What is the difference between the correct answer and the student's wrong answer (correct minus wrong)?
A student wrongly wrote the answer as -9.
What is the difference between the correct answer and the student's wrong answer (correct minus wrong)?
- A8
- B3
- C5
- D4
Show answer
Answer: D) 4
Correct: -7 - (-2) = -7 + 2 = -5. Wrong: -9. Difference = -5 - (-9) = -5 + 9 = 4.
5. In a long arithmetic chain, start at 10.
Subtract -4, then subtract 20, then subtract -7, then subtract 6.
What is the final result?
Subtract -4, then subtract 20, then subtract -7, then subtract 6.
What is the final result?
- A-5
- B5
- C-15
- D15
Show answer
Answer: A) -5
10 - (-4) = 14; 14 - 20 = -6; -6 - (-7) = -6 + 7 = 1; 1 - 6 = -5.
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