Lesson: Estimating Sums of Fractions

In this lesson, we will learn how to estimate the sums of fractions by rounding to the nearest half.

Sample Question Videos

  • 01:25
  • 02:47
  • 01:36

Worksheet: 8 Questions • 4 Videos

Q1:

Estimate 1 0 1 1 + 1 7 by rounding each fraction to the nearest half.

Q2:

Estimate 1 1 0 + 1 5 by rounding each fraction to the nearest half.

Q3:

Estimate 2 3 + 4 5 by rounding each fraction to the nearest half.

Q4:

Dalia had a piece of cloth that was 2 0 2 7 inches long. She shortened its length by 4 2 5 inches. Estimate the new length of the piece of cloth.

Q5:

By rounding each fraction to the nearest whole number, estimate the sum of 3 1 3 , 4 1 1 2 , and 9 8 1 1 .

Q6:

Adel ran two miles. He ran the first mile in 5 7 1 0 minutes and the second mile in 6 1 3 minutes. By rounding each fraction to a whole number, estimate the time it took Adel to run the two miles.

Q7:

By rounding each term to a whole number, estimate 7 2 3 + 4 1 1 2 .

Q8:

Chloe has saved $ 4 2 7 9 to pay for a vacation. She spends $ 1 1 1 5 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.
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