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Estimation Strategies - Worksheet 10 - 4th Grade

Hard

Practice estimation strategies using explicit place-value reasoning.

hard: Use another set to practice explaining and checking your answers.

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

About This Worksheet

This hard-level worksheet contains 23 problems designed for 4th Grade students practicing estimation strategies. Hard worksheets feature challenging problems including multi-step questions, missing values, and real-world applications to push students further.

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 699 + 134 by first rounding each number to the nearest 100.
2
Estimate 821 − 688 by first rounding each number to the nearest 100.
3
Estimate 627 + 400 by first rounding each number to the nearest 100.
4
Estimate 361 − 258 by first rounding each number to the nearest 100.
5
Estimate 561 + 432 by first rounding each number to the nearest 100.
6
Estimate 967 − 192 by first rounding each number to the nearest 100.
7
Estimate 979 + 354 by first rounding each number to the nearest 100.
8
Estimate 616 − 297 by first rounding each number to the nearest 100.
9
Estimate 968 + 867 by first rounding each number to the nearest 100.
10
Estimate 964 − 127 by first rounding each number to the nearest 100.
11
Estimate 443 + 272 by first rounding each number to the nearest 100.
12
Estimate 866 − 158 by first rounding each number to the nearest 100.
13
Estimate 781 + 155 by first rounding each number to the nearest 100.
14
Estimate 969 − 753 by first rounding each number to the nearest 100.
15
Estimate 943 + 185 by first rounding each number to the nearest 100.
16
Estimate 229 − 108 by first rounding each number to the nearest 100.
17
Estimate 596 + 185 by first rounding each number to the nearest 100.
18
Estimate 574 − 124 by first rounding each number to the nearest 100.
19
Estimate 624 + 207 by first rounding each number to the nearest 100.
20
Estimate 976 − 278 by first rounding each number to the nearest 100.
21
Estimate 741 + 704 by first rounding each number to the nearest 100.
22
Estimate 969 − 811 by first rounding each number to the nearest 100.
23
Estimate 403 + 165 by first rounding each number to the nearest 100.

Answer Key

1. 8002. 1003. 10004. 1005. 10006. 8007. 14008. 3009. 190010. 90011. 70012. 70013. 100014. 20015. 110016. 10017. 80018. 50019. 80020. 70021. 140022. 20023. 600

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Frequently Asked Questions

How do I download this estimation strategies - worksheet 10 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 23 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.