1. Which expression is equivalent to finding $\frac{1}{5}$ of 15?
2. A recipe requires $\frac{2}{3}$ of a 12-ounce bottle of sauce. How many ounces of sauce are needed? The answer is ___ ounces.
3. The expression $4 \times \frac{3}{5}$ is best interpreted as which of the following?
4. Calculate the value of the expression $5 \times \frac{2}{7}$. Express your answer as a fraction. The answer is ___.
5. Does the expression $\frac{1}{4} \times 20$ have the same value as $20 \times \frac{1}{4}$?
6. What is $\frac{3}{4}$ of 16? The answer is ___.
7. Which calculation represents adding $\frac{1}{2}$ to itself 6 times?
8. A group of friends ate $\frac{4}{5}$ of a pizza that was cut into 10 slices. How many slices did they eat? The answer is ___ slices.
9. Solve for the value of the expression: $\frac{5}{6} \times 18$. The answer is ___.
10. Which expression is guaranteed to be equal to $\frac{1}{4} \times 20$ because of the commutative property?