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CodeSignal

Estimation and Sense of Scale

via CodeSignal

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Overview

You will sharpen your instinct for whether a measurement is reasonable in size, weight, volume, time, or speed. By the end, you can estimate everyday quantities using familiar benchmarks and quickly spot unit mix-ups and typos before they cause real-world mistakes.

Syllabus

  • Unit 1: Estimating Lengths and Distances
    • Match Objects To Reasonable Lengths
    • Estimating Length From Benchmarks
    • Plausible Length Estimates
    • Explain A Room Estimate
  • Unit 2: Estimating Everyday Weights
    • Match Objects To Weights
    • Estimate Weight From Benchmarks
    • Judging Reasonable Weights
    • Explain Suitcase Weight Estimate
  • Unit 3: Estimating Volume and Capacity
    • Match Containers To Capacities
    • Find The Total Volume
    • Checking Volume Estimates
    • Explain The Drink Estimate
  • Unit 4: Estimating Time and Speed
    • Estimate Time In Minutes
    • Choose The Speed Benchmark
    • Time and Speed Plausibility
    • Explain The Trip Estimate
  • Unit 5: Sanity Checking Measurements
    • Spotting Unit Mixups
    • Spotting Decimal Errors
    • Explain Suspicious Measurements

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