🔍 Key Concepts

• Micrometer ranges (0–1 in, 1–2 in, 2–3 in, etc.) and what the range actually means • How to convert a decimal inch value like 0.625 into a common fraction (e.g., eighths or sixteenths of an inch) • Adding the micrometer reading to the lower limit of its range (here, 2 inches)

💭 Think About

• What total length do you get when you add the lower end of the 2–3 inch micrometer range to the 0.625 inch reading? • 0.625 inches is how many eighths of an inch? How many sixteenths? Which answer choice matches that mixed number? • Which of the answer choices are even possible for a 2–3 inch micrometer reading—should your total be between 2 and 3 inches or between 3 and 4 inches?

✅ Before You Answer

• Be sure you start from 2 inches, not from zero, when using a 2–3 inch micrometer • Convert 0.625 inch carefully into a fraction of an inch (check by multiplying the fraction back to get 0.625) • Confirm the final value is between 2 and 3 inches, since that’s the micrometer’s range