Grade 5/Addition
Mixed Addition & Subtraction Word Problems (774)
Single and two-step mixed add/sub contexts.
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Teacher Resources
Teaching Notes
Decision words: more/total→add; left/difference→subtract.
Common Mistakes
- Add instead of subtract removal
- Skip second step
- Missing a step
- Incorrect operation choice
- Calculation error
- Not labeling steps
Differentiation
SupportUse manipulatives or draw diagrams for each step.
ChallengeJustify each operation choice; create similar problems.
Discussion Questions
- How do you decide which operation to use?
- Why is showing each step important?
- What if there were three steps?
- How can you check your answer?
Learning Path
Skill Cluster
Problem Solving & Number Operations
Estimated Time
16 minutes
Skills Practiced
choose operation add subsubtraction regroup
Prerequisites
- 761
- 762
- 773
- One-Step Addition Word Problems
- One-Step Subtraction Word Problems
Next Steps
- Multi-Step Word Problems: All Operations
- Estimating Answers to Word Problems
- Mixed Operations Word Problems: Larger Numbers
- Creating Word Problems