1. Using benchmarks, is the sum of $\frac{5}{8} + \frac{4}{7}$ greater than or less than 1?
2. The sum of $\frac{7}{10}$ and $\frac{5}{9}$ is greater than the whole number ___.
3. Which of the following sums is guaranteed to be greater than 1?
4. A recipe needs $\frac{3}{4}$ cup of milk and $\frac{4}{5}$ cup of water. Is the total liquid more or less than 1 cup?
5. To quickly estimate if a fraction sum is greater than 1, you can compare each fraction to the benchmark number ___.
6. Is the statement 'The sum $\frac{2}{5} + \frac{3}{7}$ is greater than 1' true or false?
7. Which fraction, when added to $\frac{4}{7}$, guarantees the sum will be greater than 1?
8. If you know that $\frac{4}{6} > \frac{1}{2}$ and $\frac{6}{10} > \frac{1}{2}$, then you know that their sum, $\frac{4}{6} + \frac{6}{10}$, must be greater than ___.
9. Is the equation $\frac{1}{10} + \frac{8}{15} = \frac{73}{150}$ reasonable? Use estimation to decide.
10. Estimate the sum $\frac{4}{9} + \frac{12}{13}$ by rounding each fraction to the nearest benchmark ($0, \frac{1}{2}, 1$). The best estimate is ___.