Adding a Whole Number to a Mixed Number
Adding a Whole Number to a Mixed Number is a Grade 5 math skill in Eureka Math, Chapter 17: Making Like Units Numerically, where students add the whole number parts together and keep the fractional part unchanged, building fluency with mixed number addition before tackling unlike denominators. This foundational skill prepares students for more complex mixed number operations.
Key Concepts
To add a whole number to a mixed number, add the whole numbers together and keep the fraction part. $$W + A\frac{b}{c} = (W + A) + \frac{b}{c}$$.
Common Questions
How do you add a whole number to a mixed number?
Add the whole number parts together and keep the fractional part unchanged. For example, 5 + 3 2/7 = 8 2/7 because 5 + 3 = 8 and the fraction 2/7 stays the same.
Do you need a common denominator to add a whole number and a mixed number?
No. Since the whole number has no fractional part, you simply add the whole parts together. Common denominators are only needed when both numbers have fractional parts with different denominators.
What is the difference between adding a whole number to a mixed number and adding two mixed numbers?
Adding two mixed numbers may require finding a common denominator for the fractional parts and possibly regrouping. Adding a whole number to a mixed number is simpler because only one number has a fractional part.
What is Eureka Math Grade 5 Chapter 17 about?
Chapter 17, Making Like Units Numerically, covers adding and subtracting fractions and mixed numbers using the numerical (algorithmic) approach with common denominators.