Lesson T1.4.2

T1.4.2 Rounding and degrees of accuracy Quiz: KS3 Maths, Unit 1

20 questions

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Lesson T1.4.2, Rounding and degrees of accuracy: 20 multiple choice questions for the KS3 Maths (National Curriculum), Unit 1: Number, written with Revision Ninja.

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The 20 questions

  1. Round 3.4678 to 2 decimal places.

    • 3.468
    • 3.5
    • 3.47
    • 3.46
  2. Round 56 782 to 1 significant figure.

    • 56 000
    • 50 000
    • 60 000
    • 57 000
  3. Round 0.04068 to 2 significant figures.

    • 0.04
    • 0.041
    • 0.4
    • 0.0407
  4. Round 7.5 to the nearest whole number.

    • 7
    • 8
    • 7.5
    • 10
  5. Round 2.4999 to 1 decimal place.

    • 2
    • 2.4
    • 2.5
    • 3
  6. Round 1.2054 to 3 significant figures.

    • 1.205
    • 1.20
    • 1.2
    • 1.21
  7. Round 4 390 to the nearest hundred.

    • 4400
    • 4300
    • 4000
    • 4390
  8. A length of 6.3 cm is measured to 1 decimal place. What is its lower bound?

    • 6.3 cm
    • 6.25 cm
    • 6.35 cm
    • 6.2 cm
  9. Round 0.00523 to 2 significant figures.

    • 0.005
    • 0.53
    • 0.0053
    • 0.0052
  10. Round 98.6 to the nearest 10.

    • 99
    • 98
    • 90
    • 100
  11. Estimate 4 987 x 21 by rounding each number to 1 significant figure.

    • 80 000
    • 10 000
    • 105 000
    • 100 000
  12. Round 12 345 to 2 significant figures.

    • 10 000
    • 12 000
    • 12 350
    • 12 300
  13. A value is 3.7 correct to 1 decimal place. Which inequality shows its possible values?

    • 3.6 ≤ x < 3.7
    • 3.65 ≤ x < 3.75
    • 3.65 < x ≤ 3.7
    • 3.7 ≤ x < 3.8
  14. Round 0.0649 to 1 significant figure.

    • 0.06
    • 0.1
    • 0.07
    • 0.6
  15. Round 1.996 to 2 decimal places.

    • 2.10
    • 2.00
    • 1.99
    • 1.9
  16. A bag has 4.6 kg of sugar, measured to 1 decimal place. What is its upper bound?

    • 4.55 kg
    • 4.7 kg
    • 4.65 kg
    • 4.6 kg
  17. Calculate (3.2 + 4.1) ÷ 2.5, giving your answer to 2 significant figures.

    • 2.8
    • 3
    • 2.92
    • 2.9
  18. A number rounds to 40 to the nearest 10. Which of these could it be?

    • 44.9
    • 50
    • 34.9
    • 45
  19. A mass is 8 kg to the nearest kg. Which inequality shows its possible values?

    • 8 ≤ m < 9
    • 7 ≤ m < 8
    • 7.5 ≤ m < 8.5
    • 7.5 < m ≤ 8.5
  20. Round 0.0009756 to 3 significant figures.

    • 0.00098
    • 0.000975
    • 0.00097
    • 0.000976

All KS3 Maths quizzes