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Questions and Answers
What is the main difference between estimated and precise measurements?
Why do recipes often require precise measurements?
When might you use an estimated measurement?
What can you use to help you estimate a measurement?
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Why might an experienced chef estimate a measurement?
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Why is it difficult to be precise with travel times?
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How would you calculate the time it takes to walk 5 miles at a speed of 5 miles per hour?
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When might an estimate of a room's size be sufficient?
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Why does a doctor need to know a patient's exact height and weight?
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Why do theme park workers check the height of riders?
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Study Notes
Estimated and Precise Measurements
- Estimated measurement: roughly calculating the amount, used when close enough is good enough
- Precise measurement: using an exact number to describe an amount, required for accuracy
- Estimated measurements are connected to precise measurements, as they rely on knowledge of precise measurements
Relationship Between Estimated and Precise Measurements
- Precise measurements require tools specifically designed for measurement, such as rulers, scales, and clocks
- Estimated measurements are used when an exact number is not necessary, but rely on understanding of precise measurements
Deciding Between Estimated and Precise Measurements
- Depends on what is being measured and why
- Recipes: require precise measurements to ensure accurate results
- Travel time: estimated measurements, as speed can vary due to unpredictable factors
- Room size: depends on the purpose, estimate may be sufficient for casual purposes, but precise measurement is required for accuracy
- Height and weight: depends on the purpose, estimate may be sufficient for casual comparisons, but precise measurement is required for medical or safety reasons
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Description
Understanding the difference between estimated and precise measurements in real-life scenarios, such as cooking and everyday activities.
