# Estimating Sums of Fractions and Mixed Numbers Using a Number Line

Skill:

Estimate sums and differences with fractions and mixed numbers.

# Estimating Sums of Fractions and Mixed Numbers Using a Number Line

Explore the sum of fractions and mixed numbers by resizing bars on a number line. Estimate the length of each bar separately to find an estimated sum.

### Putting It All Together

*Answer these open ended questions on your own or with others to form deeper math connections. *

### Open-ended question 1

Describe your strategy for estimating the sum .

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### Open-ended question 2

Dalia needs cups of rice for a family dinner. She thinks making 7 cups will give close to the amount of rice she needs. Do you think this a reasonable estimate to use? Why or why not?

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Prerequisite Resources

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