Rounding and Estimating Sums and Differences
Worksheet (Pre-Algebra)
Rounding and Estimating Sums and Differences Worksheet
This Free Pre-Algebra Worksheet contains problems on rounding and estimating sums and differences of decimals. A few problems are specific in asking students to use front-end estimation.
Lesson:
3. To find sums and differences by rounding and estimating
Subject:
Topics:
Number of Problems:
20
Pages:
3
Answer Key:
Yes
Samples:
Tutor-USA.com Worksheet
Pre-Algebra
Rounding Decimals – Estimating Sums & Differences
Estimate how much of each square is shaded.
Estimate by Rounding.
3) 6.48 + 3.242
4) 5.92 + 2.451
5) 2.437 + 6.833
6) 3.72 – 1.61
7) 3.7 – 2.742
8) 0.747 – 0.546
9) 6.25 + 3.48 + 6.40
10) 23.76 + 62.753 + 32.06 + 16.524
Use front-end estimation to estimate each sum or difference.
15) 2.56 + 0.75 + 4.49
19) 3.854 + 1.209 + 0.1689 + 1.923
20) 2.769 + 0.56 + 0.615 + 2.646
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