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.
[i]Answer these open ended questions on your own or with others to form deeper math connections. [/i]
Describe your strategy for estimating the sum [math]7\frac{1}{4}+10\frac{7}{8}[/math].
Dalia needs [math]3\frac{3}{4}+4\frac{7}{8}[/math] 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?