1. Estimate the product of $62 \times 8$ by first rounding 62 to its greatest place value. The estimated product is ___.
2. To estimate the quotient of $29 \div 3$, use a compatible number for 29. The estimated quotient is ___.
3. A baker has 55 muffins to pack into boxes of 7. About how many boxes can the baker fill?
4. Estimate the product of $381 \times 5$ by rounding 381 to its greatest place value. The estimated product is ___.
5. Estimate the quotient of $154 \div 5$ by using a compatible number for 154. The estimated quotient is ___.
6. To check if $592 + 211$ is about $800$, you can estimate the sum by rounding to the nearest hundred. What is the estimated sum? ___
7. A student solved $891 - 425 = 466$. To check this answer, you estimate $900 - 400 = 500$. Is the student's answer reasonable?
8. Estimate the product of $418 \times 5$ by rounding the first number to the nearest ten. The estimated product is ___.
9. A student calculates that $342 \times 3 = 1026$. By rounding $342$ to the nearest ten ($340$), is the answer of $1026$ reasonable?
10. A company has 877 employees. If 295 employees leave, a manager estimates the remaining number by calculating $900 - 300$. What is this estimated number of employees? ___