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Solve measurement word problems

Measurement word problems involve interpreting quantities with units of length, mass, liquid volume, or time and determining whether addition, subtraction, multiplication, or division represents the situation. Solutions may require comparing measurements, finding a total or difference, determining equal groups or a missing measure, or finding elapsed time, while preserving unit labels and using diagrams or number lines when helpful; the focus is on whole-number quantities and familiar units, not complex conversions, decimals, or generalized rate problems.

Detailed Explanation: Solve measurement word problems

Measurement word problems tell you about a length, mass, liquid volume, or amount of time. To solve one:

  1. Read carefully and find the measurements.
  2. Decide what the question asks.
    • A total means add.
    • A difference or how much more means subtract.
    • Equal groups may mean multiply or divide.
  3. Use the same unit in your answer.
  4. Check that your answer makes sense.

Example:
Mia has a ribbon that is 2424 centimeters long. She adds another ribbon that is 1818 centimeters long. How long is the ribbon altogether?

Step 1: Find the important information.

  • First ribbon: 2424 centimeters
  • Second ribbon: 1818 centimeters
  • “Altogether” asks for the total, so we add.

Step 2: Write an equation.

24 cm+18 cm=?24\text{ cm}+18\text{ cm}=?

Step 3: Add.

24+18=4224+18=42

Step 4: Include the unit.

42 cm42\text{ cm}

Answer: The ribbon is 4242 centimeters long altogether.

Learn by doing: Solve measurement word problems

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