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Worksheet4th GradeLevel 3 · Challenge

Free 4th Grade Estimating Sums, Differences and Products Worksheet — Level 3

Round numbers first to estimate answers to additions, subtractions and multiplications, then compare with the exact answer. A challenge set for students ready to stretch further. This 4th Grade worksheet has 10 questions and comes with a full answer sheet showing the working for every question.

Need more practice? Practice Set 2 · Practice Set 3 · Practice Set 4 — same skill, fresh questions, full answers.

Instant download · No sign-up · Free for personal, classroom and homeschool use

Grade
4th Grade
Subject
Math
Topic
Place Value
Difficulty
Level 3 · Challenge
Estimated time
10 minutes
Curriculum
Texas grade levels (TEKS)
Questions
10
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practice

  • rounding to estimate
  • estimating sums and differences
  • estimating products
  • checking whether an answer is reasonable

Curriculum: Texas grade levels (TEKS). We show specific outcome codes only where they have been verified against the official curriculum document.

What's next?

Completed: 4th Grade Estimating Sums, Differences and Products Worksheet — Level 3

  1. 14th Grade Number Lines Worksheet — Level 1
  2. 24th Grade Number Lines Worksheet — Level 2
  3. 34th Grade Number Lines Worksheet — Level 3
  4. 44th Grade Addition Worksheet — Getting Started

How to use this worksheet

  1. Print the PDF or complete it on screen. Write the student's name and date at the top.
  2. Read the instructions for each part together before starting. Encourage working to be shown, not just answers.
  3. Mark with the answer sheet. Compare the method, not only the final answer, and give credit for correct working.
  4. Record the score, celebrate what went well, then follow the "What's next" suggestion.

Common questions

Who is this worksheet for?

4th Grade students (typically ages 9–10) working on place value. It is pitched at level 3 · challenge; an easier version is linked above.

Are the answers included?

Yes. The PDF includes a full answer sheet with the working for every question. You can also view the answers online.

How long does it take?

About 10 minutes for 10 questions. Short, regular sessions work best: two or three a week beats one long one.

Do I need to sign up to download?

No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.

What should we do next?

Try 4th Grade Number Lines Worksheet — Level 1.

Preview

Success TutoringWorksheets4th Grade · Mathematics · Place Value

4th Grade Estimating Sums, Differences and Products Worksheet — Level 3

Name

Date

Score /

Round each number first, then work out the estimate in your head.

1.Estimate 6,541 − 1,307 by rounding each number to the nearest 1,000. (answer space)
2.Estimate 26 × 67 by rounding each number to the nearest 10. (answer space)
3.Estimate 99 × 3 by rounding 99 to the nearest 10. (answer space)
4.Estimate 2,694 + 8,839 by rounding each number to the nearest 1,000. (answer space)
5.Estimate 23 × 37 by rounding each number to the nearest 10. (answer space)
6.Estimate 84 × 83 by rounding each number to the nearest 10. (answer space)
7.Estimate 6,596 − 4,171 by rounding each number to the nearest 1,000. (answer space)
8.Estimate 13 × 18 by rounding each number to the nearest 10. (answer space)
9.Estimate 19 × 72 by rounding each number to the nearest 10. (answer space)
10.Estimate 4,320 + 2,023 by rounding each number to the nearest 100. (answer space)
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Preview — the PDF contains the full resource and answer sheet.

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Place Value in other year levels

About this resource

Created by
Success Tutoring Maths Team
Reviewed by
Success Tutoring
Last reviewed
1 October 2026
How it was made
Generated by checked procedures

Free to print and share for personal, classroom and homeschool use. Please don't resell. Spotted an error? Let us know.