Grade 3/Word Problems
Mixed Addition and Subtraction Word Problems (two-digit) (394)
Two-digit add or subtract word problems. Decide the operation and solve.
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Quick Tip
Numbers up to 99. Simple regrouping is okay. Show your equation and write a sentence answer.
Teacher Resources
Lesson Plan
Solving Mixed Operation Word Problems
Standards
2.OA.A.1Printable Aids
Problem Solving Steps PosterCounters
Teaching Notes
Guide students to identify keywords and context clues to determine whether to add or subtract. Emphasize drawing models or using manipulatives to visualize the problem.
Vocabulary
Two-digit: Numbers from 10 to 99.
Operation: Math process like add or subtract.
Common Mistakes
- Choosing the incorrect operation.
- Calculation errors with two-digit numbers.
- Misinterpreting problem context.
Differentiation
SupportUse number lines or manipulatives; highlight keywords.
ChallengeCreate own multi-step problems; estimate answers first.
Discussion Questions
- What clues tell you to add in a story problem?
- What clues tell you to subtract?
- How can you check if your answer is reasonable?
- Can you draw a picture that matches this problem?
Extension Activities
- Create two-digit stories.
- Use base-ten blocks.
- Practice regrouping.
Parent Tip
Have your child explain if a story needs adding or subtracting.
Learning Path
Skill Cluster
Problem Solving & Operations
Grade Level
2-3
Skills Practiced
solve two digit additionsolve two digit subtractionword problem strategies
Prerequisites
- Reading Comprehension
- Basic Addition
- Basic Subtraction
- Single-Digit Word Problems
- Two-Digit Addition and Subtraction
Next Steps
- Multi-Step Word Problems
- Multiplication Word Problems
- Two-Step Word Problems
- Addition & Subtraction within 1000
- Addition Word Problems: Two-Digit
- Subtraction Word Problems: Two-Digit
- Two-Step Word Problems (two-digit)