Free Printable WorksheetMathGrade 5Math Curriculum5.NBT.A.4

5.20 Round Decimals Using Place Value and Number Lines Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 5 Math worksheet provides structured practice on 5.20 Round Decimals Using Place Value and Number Lines. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Skill description: Select the correctly rounded decimal to a given place and identify the digit used to round. Choose the statement that best justifies the answer using place-value language and an estimation check. Corresponding standards: CCSS 5.NBT.A.4.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 5

Subject

Math

Domain

Math Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 5.20 Round Decimals Using Place Value and Number Lines skill assessments:

Problem 1Difficulty: Mastery

A teacher asks for a complete justification when rounding 15.950 to the nearest whole number. Which statement should be selected?

ANearest whole number: 15. The digit to the right is 9 in the tenths place, and 15.950 is closer to 15 than to 16.

BNearest whole number: 16. The digit in the rounded place is 5, so that digit is used to decide.

CNearest whole number: 16.0. The answer should keep the tenths place because that is the digit being checked.

DNearest whole number: 16. The digit to the right is 9 in the tenths place, and 15.950 is closer to 16 than to 15.

Solution & Explanation:To round to the nearest whole number, look at the tenths digit. It is 9, so round up. 15.950 is closer to 16 than to 15. The rounded value is 16.

Problem 2Difficulty: Mastery

A decimal-rounding answer is correct only if it names the digit that decides. Round 15.050 to the nearest whole number. Which statement should be selected?

ACheck the tenths digit 0. Because the digit is 5 or greater, the nearest whole number is 16; 15.050 is closer to 16 than to 15.

BCheck the ones digit 5. Because that digit is in the rounded place, the nearest whole number is 15.

CCheck the tenths digit 0. Because the digit is less than 5, the nearest whole number is 15; 15.050 is closer to 15 than to 16.

DCheck the tenths digit 0. Keep one more place than requested, so the answer is 15.1.

Solution & Explanation:To round to the nearest whole number, look at the tenths digit. It is 0, so keep the rounded place the same. 15.050 is closer to 15 than to 16. The rounded value is 15.

Problem 3Difficulty: Mastery

On the number line, point P is plotted at 3.9994 in the interval from 3.999 to 4.000. Which choice rounds P to the nearest thousandth and explains why?

A3.9994 → 4.000; use the ten-thousandths digit 4; 5 or greater, so round up; 3.9994 is closer to 4.000 than to 3.999.

B3.9994 → 3.999; use the ten-thousandths digit 4; less than 5, so the rounded place stays the same; 3.9994 is closer to 3.999 than to 4.000.

C3.9994 → 3.999; use the thousandths digit 9; the rounded place is the deciding digit.

D3.9994 → 3.9994; use the ten-thousandths digit 4; leave the ten-thousandths digit in the answer.

Solution & Explanation:To round to the nearest thousandth, look at the ten-thousandths digit. It is 4, so keep the rounded place the same. 3.9994 is closer to 3.999 than to 4.000. The rounded value is 3.999.

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Frequently Asked Questions

Common questions about printing, using, and solving this worksheet

QHow do I download and print this 5.20 Round Decimals Using Place Value and Number Lines worksheet?

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QIs this 5.20 Round Decimals Using Place Value and Number Lines worksheet free for teachers and homeschoolers?

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Yes! In addition to this printable worksheet, students can practice 5.20 Round Decimals Using Place Value and Number Lines interactively on our platform with automated grading, instant score tracking, and detailed step-by-step solutions.

QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 5 Math students. It aligns with educational standard 5.NBT.A.4 (Primary standard selected for prompt fields in this prompt cell: CCSS 5.NBT.A.4. Skill statement in this prompt cell: Select the correctly rounded decimal to a given place and identify the digit used to identify. Choose the statement that best justifies the answer using place-value language and an estimation check. Associated standards listed with this skill in this prompt cell: CCSS 5.NBT.A.4. Use this prompt-provided wording as the supporting standard description for this workflow.).