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Estimation Strategies - Worksheet 5 - 4th Grade

Medium

Practice estimation strategies using explicit place-value reasoning.

medium: Practice the same exercise types with a fresh numbered set.

18 problems · 10-15 minutes · Skills: estimation, rounding

About This Worksheet

This medium-level worksheet contains 18 problems designed for 4th Grade students practicing estimation strategies. Medium worksheets introduce larger numbers and varied question formats to deepen understanding and build fluency.

Recognize digits and read a place-value chart.

  • Practice estimation strategies using explicit place-value reasoning.
  • Check your result using the method in the example before moving to the next question.

How to Solve: Worked Example

Example Problem: Estimate 365 + 266 by first rounding each number to the nearest 100.
Solution Steps:
  1. 365 rounds to 400; 266 rounds to 300.
  2. Use the rounded values in the operation.
Answer: 700
Tip: Check your result using the method in the example before moving to the next question.
1
Estimate 867 + 318 by first rounding each number to the nearest 100.
2
Estimate 549 − 298 by first rounding each number to the nearest 100.
3
Estimate 245 + 158 by first rounding each number to the nearest 100.
4
Estimate 860 − 233 by first rounding each number to the nearest 100.
5
Estimate 889 + 170 by first rounding each number to the nearest 100.
6
Estimate 776 − 645 by first rounding each number to the nearest 100.
7
Estimate 982 + 502 by first rounding each number to the nearest 100.
8
Estimate 817 − 353 by first rounding each number to the nearest 100.
9
Estimate 980 + 315 by first rounding each number to the nearest 100.
10
Estimate 521 − 367 by first rounding each number to the nearest 100.
11
Estimate 638 + 453 by first rounding each number to the nearest 100.
12
Estimate 227 − 172 by first rounding each number to the nearest 100.
13
Estimate 512 + 189 by first rounding each number to the nearest 100.
14
Estimate 703 − 102 by first rounding each number to the nearest 100.
15
Estimate 740 + 610 by first rounding each number to the nearest 100.
16
Estimate 309 − 231 by first rounding each number to the nearest 100.
17
Estimate 953 + 926 by first rounding each number to the nearest 100.
18
Estimate 506 − 238 by first rounding each number to the nearest 100.

Answer Key

1. 12002. 2003. 4004. 7005. 11006. 2007. 15008. 4009. 130010. 10011. 110012. 013. 70014. 60015. 130016. 10017. 190018. 300

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Frequently Asked Questions

How do I download this estimation strategies - worksheet 5 worksheet?

Click "Download PDF" for a file, or "Print" to use your browser. You can save it as a PDF or print it directly. The answer key will be on a separate page.

How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

What skills does this addition and subtraction worksheet cover?

This worksheet focuses on estimation, rounding. It is designed for 4th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

Can I use this worksheet in my classroom?

Yes. All worksheets on K12Worksheets are free for classroom use. You can print copies for your entire class. With 10 worksheets per subtopic at three difficulty levels, you have plenty of options for differentiated instruction and individualized practice.

How many problems are on this worksheet?

This worksheet contains 18 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.