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.
Tasca 1
Putting It All Together
Answer these open ended questions on your own or with others to form deeper math connections.
Tasca 2
Describe your strategy for estimating the sum .
Tasca 3
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?