Grade 4/Fractions
Adding Mixed Numbers (922)
Students learn to add mixed numbers with like denominators. They practice adding the whole numbers and fractions separately to find the total sum.
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Teacher Resources
Teaching Notes
Teach the strategy of grouping: Whole + Whole and Fraction + Fraction. Keep it simple initially without regrouping.
Vocabulary
Mixed Number: A whole number and a fraction together.
Improper Fraction: Numerator is larger than the denominator.
Common Mistakes
- Forgetting to add the whole numbers.
- Adding denominators.
- Forgetting to add whole numbers
- Adding denominators
- Incorrect fraction addition
- Mixing up numerator/denominator
Differentiation
SupportColor code whole numbers and fractions.
ChallengeIntroduce sums > 1 (regrouping).
Discussion Questions
- Why do we add wholes and fractions separately?
- Is 1 1/2 the same as 1 + 1/2?
- When do we use mixed numbers in real life?
- Why do denominators stay the same?
- What if the fraction sum was 1 or more?
- How is this like adding whole numbers?
Extension Activities
- Word problems.
- Create your own mixed number addition.
Parent Tip
Ask your child to add recipe amounts like 1/2 cup and 1/4 cup.
Learning Path
Skill Cluster
Number Sense: Fractions
Estimated Time
20 minutes
Skills Practiced
add mixed numbers
Prerequisites
- 920
- Understanding fractions
- Adding fractions with like denominators
Next Steps
- Adding mixed numbers with regrouping
- Subtracting mixed numbers
- Adding Mixed Numbers with Regrouping
- Subtracting Mixed Numbers (Like Denominators)
- Adding Fractions (Unlike Denominators)