Worksheet: Estimating the Sum and Difference of Fractions by Rounding
In this worksheet, we will practice estimating the sum of or difference between two fractions or mixed numbers by rounding to the nearest half.
Noah ran two miles. He ran the first mile in minutes and the second mile in minutes. By rounding each fraction to a whole number, estimate the time it took Noah to run the two miles.
- A 11 min
- B 14 min
- C 10 min
- D 12 min
- E 13 min
Chloe has saved to pay for a vacation. She spends on a hotel and $978 on flights.
First, estimate the amount she has left by rounding each number to the nearest hundred.
Find the exact answer. Use your estimate to check if your answer is reasonable.