Grade 3/Word Problems
Measurement Word Problems (add/subtract lengths) (399)
Compare, add, or subtract lengths using the same unit (cm or inches).
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Quick Tip
Solve length word problems. Add, subtract, or compare lengths (cm/inches).
Teacher Resources
Lesson Plan
Measurement Word Problems
Standards
2.MD.B.5Printable Aids
RulerTape Measure
Teaching Notes
Focus on identifying key information and choosing the correct operation. Emphasize matching units before calculations.
Vocabulary
Length: How long something is, measured in units.
Subtract: To take away a number from another.
Common Mistakes
- Incorrectly choosing addition or subtraction.
- Forgetting to include units in the final answer.
- Not writing a complete sentence answer as required.
Differentiation
SupportUse manipulatives or draw pictures to visualize lengths.
ChallengeCreate multi-step length problems or use different units.
Discussion Questions
- How do we know if we should add or subtract lengths?
- Why is it important for measurement units to be the same?
- Can you think of a real-life situation where you would use this skill?
- What strategies help you solve measurement word problems?
Extension Activities
- Compare lengths of objects.
- Add multiple lengths together.
- Measure in different units.
Parent Tip
Use a ruler to measure objects and practice adding/subtracting lengths.
Learning Path
Skill Cluster
Measurement and Data
Grade Level
2-3
Skills Practiced
measurement conceptsaddition subtraction within 100length word problems
Prerequisites
- Measuring Length
- Addition and Subtraction
- Measuring Lengths (Standard Units)
- Addition and Subtraction within 100
- Basic Word Problem Solving
Next Steps
- Perimeter Word Problems
- Area Word Problems
- Solving Multi-Step Measurement Problems
- Converting Length Units
- Comparing Lengths
- Measurement Tools