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Rounding & Accuracy

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EasyMediumDifficult
1.Rounding & Accuracy
Easy
Rounding & Accuracy question 1: Satellite image storage
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2.Rounding & Accuracy
Easy
Rounding & Accuracy question 2: Bacteria in a treated water sample
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3.Rounding & Accuracy
Easy
Rounding & Accuracy question 3: Surveying a rectangular park
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4.Rounding & Accuracy
Easy
Rounding & Accuracy question 4: Daily output from solar panels
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5.Rounding & Accuracy
Easy
Rounding & Accuracy question 5: Bounds of a rounded weight
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6.Rounding & Accuracy
Easy
Rounding & Accuracy question 6: Checking a smartwatch reading
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7.Rounding & Accuracy
Medium
Rounding & Accuracy question 7: A very small measurement
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8.Rounding & Accuracy
Medium
Rounding & Accuracy question 8: Distance to a star
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9.Rounding & Accuracy
Medium
Rounding & Accuracy question 9: Bounds for a bottle of tablets
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10.Rounding & Accuracy
Medium
Rounding & Accuracy question 10: Bounds for the perimeter and area of a room
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11.Rounding & Accuracy
Medium
Rounding & Accuracy question 11: Bounds for the cost of fuel
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12.Rounding & Accuracy
Medium
Rounding & Accuracy question 12: Solar-farm energy estimate
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13.Rounding & Accuracy
Medium
Rounding & Accuracy question 13: Area of a nature reserve
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14.Rounding & Accuracy
Medium
Rounding & Accuracy question 14: Minimum and maximum volume of an open box
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15.Rounding & Accuracy
Medium
Rounding & Accuracy question 15: Bounds for fuel economy
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16.Rounding & Accuracy
Medium
Rounding & Accuracy question 16: Bounds for average speed
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17.Rounding & Accuracy
Medium
Rounding & Accuracy question 17: Bounds for the frequency of a laser
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18.Rounding & Accuracy
Medium
Rounding & Accuracy question 18: Rescue-drone travel time
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19.Rounding & Accuracy
Medium
Rounding & Accuracy question 19: Bounds and error for a city’s population
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20.Rounding & Accuracy
Difficult
Rounding & Accuracy question 20: Extended: distance to a star from light-travel time
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21.Rounding & Accuracy
Difficult
Rounding & Accuracy question 21: Checking a machined shaft
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22.Rounding & Accuracy
Difficult
Rounding & Accuracy question 22: Concentration of a laboratory solution
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23.Rounding & Accuracy
Difficult
Rounding & Accuracy question 23: Maximum percentage error from a rounded measurement
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24.Rounding & Accuracy
Difficult
Rounding & Accuracy question 24: Extended: checking a packaging tolerance claim
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25.Rounding & Accuracy
Difficult
Rounding & Accuracy question 25: Extended: percentage error through a chain of calculations
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26.Rounding & Accuracy
Difficult
Rounding & Accuracy question 26: Rainwater tank: bounds on a cylinder
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27.Rounding & Accuracy
Difficult
Rounding & Accuracy question 27: Grain hopper: a conical model
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28.Rounding & Accuracy
Difficult
Rounding & Accuracy question 28: Museum skylight: square-based pyramid
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29.Rounding & Accuracy
Difficult
Rounding & Accuracy question 29: Weather balloon: surface area and volume bounds
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