Grade 4/Word Problems
One-Step Word Problems: Mixed Operations (402)
A mix of one-step problems using addition, subtraction, or equal groups (×).
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Teacher Resources
Lesson Plan
Choosing the Right Operation
Standards
3.OA.D.8Printable Aids
Operation Keywords ChartScratch Pad
Teaching Notes
Guide students to identify keywords indicating addition, subtraction, or equal groups. Emphasize showing the equation and writing a complete sentence answer for problem comprehension.
Vocabulary
Mixed Operations: Using more than one math operation.
Equation: A number sentence with an equals sign.
Common Mistakes
- Choosing the incorrect operation for the problem.
- Not writing an equation before finding the answer.
- Forgetting to write a sentence that answers the question.
Differentiation
SupportUse manipulatives or drawings to visualize the problem.
ChallengeCreate a similar word problem, then solve it.
Discussion Questions
- What words help you decide if you need to add?
- How do you know when to use equal groups or multiplication?
- Why is it important to show your equation?
- How can you check if your answer makes sense?
Extension Activities
- Identify keywords for operations.
- Create problems for each operation.
- Use objects to model problems.
Parent Tip
Help your child identify keywords in word problems.
Learning Path
Skill Cluster
Word Problems & Operations
Grade Level
3-4
Skills Practiced
one step word problemschoosing operationswriting equations
Prerequisites
- Addition
- Subtraction
- Basic Multiplication
- One-Step Addition Word Problems
- One-Step Subtraction Word Problems
- Introduction to Equal Groups (Multiplication Readiness)
Next Steps
- Multi-Step Word Problems
- Division Word Problems
- Two-Step Word Problems
- Word Problems with Division
- Fact Families (Multiplication and Division)
- Addition Word Problems: Result Unknown
- Subtraction Word Problems: Change Unknown
- Multiplication Word Problems: Equal Groups