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| Maths Quiz for Class 7 Integers |
In this post, you will find 20 online maths quiz questions for class 7 integers. Online maths quiz will take around 20 minutes to complete it.
Question 1: The temperature of a city was 3°C on Sunday. It drops 1°C per day till next 5 days. What is the temperature after 5 days?
A) 0°C
B) -1°C
C) -2°C
D) -3°C
Explanation: Temperature in the beginning = 3°C. In 5 days, it drops by 5°C. Temperature after 5 days = 3 – 5 = -2°C
Question 2: An aeroplane is flying at a height of 1200 m. It ascends 200 m and then descends 300 m. What is its current position?
A) 1100 m
B) 1200 m
C) 1300 m
D) 1400 m
Explanation: The current position of the aeroplane = 1200 + 200 – 300 = 1100 m
Question 3: A submarine is 600 m below sea level. It descends 400 m and then ascends 200 m. What is the new position of the submarine?
A) 800 m below sea level
B) 900 m below sea level
C) 700 m below sea level
D) 500 m below sea level
Explanation: New position of the submarine = -600 – 400 + 200 = -800 m
Question 4: -9 – (-12) = __________
A) -3
B) 3
C) -21
D) 21
Explanation: -9 – (-12) = -9 + 12 = 3
Question 5: 15 + (-7) = __________
A) -8
B) 8
C) 22
D) -22
Explanation: 15 + (-7) = 15 – 7 = 8
Question 6: -6 – 8 = ________
A) -2
B) 2
C) -14
D) 14
Explanation: -6 – 8 = -(6 + 8) = -14
Question 7: -11 + (-13) = ____________
A) 24
B) -24
C) 23
D) -23
Explanation: -11 + (-13) = -11 – 13 = -(11 + 13) = -24
Question 8: A pair of integers whose sum is -13 is ___________.
A) (10, 3)
B) (-10, 3)
C) (10, -3)
D) (-23, 10)
Explanation: 10 + 3 = 13. -10 + 3 = -7. 10 + (-3) = 10 – 3 = 7 and -23 + 10 = -13. So, the correct pair is (-23, 10).
Question 9: A pair of integers whose difference is 9 is ___________.
A) (-12, -21)
B) (15, -6)
C) (-15, 6)
D) (-12, 21)
Explanation: -12 – (-21) = -12 + 21 = 9. 15 – (-6) = 15 + 6 = 21. -15 – 6 = -21. And -12 – 21 = -33. So, the correct pair is (-12, -21).
Question 10: -154 + 0 = ___________
A) 154
B) 0
C) -154
D) 155
Explanation: -154 + 0 = -154
Question 11: 765 + (-238) = ________ + 765
A) 765
B) -238
C) 238
D) -239
Explanation: 765 + (-238) = -238 + 765
Question 12: 178 + _______ = 0
A) -1
B) -178
C) 0
D) 178
Explanation: 178 + (-178) = 0
Question 13: [71 + (-39)] + 46 = _______ + [(-39) + 46]
A) 71
B) -71
C) 39
D) -46
Explanation: [71 + (-39)] + 46 = 71 + [(-39) + 46]
Question 14: -1654 × 0 = ___________.
A) -1654
B) 1654
C) 1
D) 0
Explanation: -1654 × 0 = 0
Question 15: -472 × 1 = _____
A) -1
B) 1
C) -472
D) 472
Explanation: -472 × 1 = -472
Question 16: 463 × (-148) = (-148) × ______
A) -463
B) 463
C) -148
D) 148
Explanation: 463 × (-148) = (-148) × 463
Question 17: (-5) × (-9) × (10) × (-4) = __________
A) -1800
B) 1800
C) -900
D) -450
Explanation: (-5) × (-9) × (10) × (-4) = 45 × 10 × (-4) = 450 × (-4) = -1800
Question 18: (-35) ÷ (-7) = ________
A) -6
B) 6
C) 5
D) -5
Explanation: (-35) ÷ (-7) = 5
Question 19: 45 – 54 ÷ 9 × 5 + 3 – 8 = ________
A) 9
B) 10
C) 8
D) 11
Explanation: 45 – 54 ÷ 9 × 5 + 3 – 8 = 45 – 6 × 5 + 3 – 8 = 45 – 30 + 3 – 8 = 15 + 3 – 8 = 18 – 8 = 10
Question 20: [{60 + (9 – 12) – (28 ÷ 7 × 3)} – 45] = _______________
A) 3
B) -3
C) 0
D) 2
Explanation: [{60 + (9 – 12) – (28 ÷ 7 × 3)} – 45] = [{60 + (-3) – (4 × 3)} – 45] = [{60 – 3 – 12} – 45] = [{57 – 12} – 45] = [45 – 45] = 0
Report Card
Total Questions Attempted: 0
Correct Answers: 0
Wrong Answers: 0
Percentage: 0%