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3rd Grade Rounding & 3 Digit Addition/Subtraction Unit: Quizzes & Assessment

by E•Fish•ient Teaching

Welcome to the math unit that will sharpen your students' skills in both rounding and 3 digit addition and subtraction. It's everything you need to teach 3rd grade Number and Operations in Base Ten or NBT. Over 35 pages of practice to help you plan and practice all your rounding and triple digit addition/subtraction needs. Students will practice rounding numbers to the nearest hundreds and tens. Students will also use rounding to estimate the sum or difference of numbers. Along with rounding, students will practice adding and subtracting 3 digit numbers. This unit practices addition and subtraction within 1000. It also has a variety of questions that practice addition and subtraction with and without regrouping. This engaging and thoughtfully crafted unit includes a variety of activities, quizzes, and an assessment to ensure a well-rounded understanding of these fundamental mathematical concepts.

Unit Highlights:

1. Rounding Mastery:

    • Step-by-step lessons on rounding to the nearest ten and hundred.
    • Many pages of practice to help solidify their rounding skills.

2. Triple Digit Addition:

    • Practice to reinforce carrying over and adding efficiently.
    • Word problems to apply addition skills to everyday situations.

3. Triple Digit Subtraction:

    • Practice problems that build confidence in subtracting larger numbers.
    • Problem-solving tasks to enhance critical thinking skills.

4. Quizzes and Assessments:

    • Quizzes to gauge understanding after each section.
    • Assessment to check understanding of NBT standard with Standard Based Rubric.

Why Choose This Unit?

  • Aligned with common core standards.
  • Fosters a deep understanding of rounding and triple-digit operations.
  • Promotes a positive and enjoyable learning environment.

Equip your students with the mathematical skills they need to succeed! Download this all-inclusive unit today and watch your students become confident mathematicians.
(Note: This unit is designed for 3rd Grade. Please check the prerequisites to ensure suitability for your classroom.)

What's included in this unit?

  • 17 Pages of Rounding Practice- Scaffolded Worksheets

    • 4 of these pages are estimation with rounding: 2 pages estimation to the nearest hundreds & 2 pages estimation to the nearest tens
  • 15 Pages of 3 Digit Addition/Subtraction: 5 pages of Addition Practice, 5 pages of Subtraction Practice, 5 pages of Mixed Practice

  • 1 Quiz covering Rounding Skills

  • 1 Quiz covering Triple Digit Addition & Subtraction Skills

  • 1 Assessment to check for understanding for the NBT 1 & 2 Standard in 3rd grade.

Teachers like you have said...

⭐️⭐️⭐️⭐️⭐️ Rita said "If you're a math teacher looking for an easy and effective way to help your students understanding the concept of rounding to the nearest 10, then you will not be disappointed!"

⭐️⭐️⭐️⭐️⭐️Julie E. said, "Extra practice and helpful resource for my 3rd graders. Thanks much!"

Check out some other popular products...

  • Estimation with rounding to the nearest 100
  • Rounding Mazes

I hope you enjoyed this product! If you liked it, please leave me a review. If you would like to see some of my other products please follow along at E•Fish•ient Teaching

Copyright ©E•Fish•ient Teaching

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Rounding to the Nearest 100: 5 Pages of Practice: 3 & 4 digit numbers

By E•Fish•ient Teaching

Round to the nearest hundred. This is a packet of 5 pages. One page is for you to print out and give to your students to help them remember when to round up or down. The other 4 pages are practicing rounding to the hundred spot. Students will determine what two hundreds the number is between and which one it is closer to. Then the students will use their knowledge of numbers and round to the nearest hundred. There is one practice page for 3-digit numbers and one for 4-digit numbers.

If you would like to by this in a bundle and practice rounding to the nearest 10s as well, take a look at my Rounding Bundle

I hope you enjoyed this product! If you liked it, please leave me a review. If you would like to see some of my other products please follow along at Finding The Fish.

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Addition & Subtraction within 1000 Quiz with Rubric: Triple Digit Math

By E•Fish•ient Teaching

Prepare your students for success with this Addition & Subtraction within 1000 Quiz. This assessment is designed to meet the standards of 3rd Grade NBT.2. Students will show their understanding of regrouping when adding and subtracting triple digit numbers. They will understand how to read and solve word problems. This quiz is designed to assess students' proficiency in triple digit addition & subtraction. Each question is tied specifically to a 3rd grade standard. This quiz comes with a standards based rubric which allows you to grade on a scale from 1 to 4.

Features:

  1. Aligned with Grade-Level Standards: This quiz is specifically designed to align with the expectations outlined in 3rd Grade Math standards, ensuring that students are mastering essential addition and subtraction skills as per the curriculum requirements.
  2. Variety in Questions: To provide a well-rounded experience, this quiz includes both standard algorithm and word problems.
  3. Rubric for Assessment: Accompanied by a detailed rubric, this quiz simplifies the grading process for educators, offering clear guidelines for evaluating students' performance. This facilitates fair and consistent assessment practices.

Benefits:

  • Targeted Skill Development: By focusing specifically on addition and subtraction within 1000, this quiz helps students build a strong foundation in these critical mathematical operations, setting them up for success in more advanced concepts.
  • Formative Assessment: Use the quiz results to identify areas of strength and weakness in students' mathematical proficiency, enabling targeted intervention and differentiated instruction to meet individual learning needs effectively.
  • Evidence-Based Instruction: Utilize the data and rubric to inform instructional decisions, track student progress, and communicate learning outcomes with parents effectively.

Looking for Addition & Subtraction Practice?

Triple Digit Addition & Subtraction within 1000

Addition & Subtraction with Rounding to the nearest 100

Addition & Subtraction 3rd Grade Unit

Julie E. give 5 stars ⭐⭐⭐⭐⭐ saying, "Extra practice and helpful resource for my 3rd graders. Thanks much!"

Set your students up for success with this quiz to assess their knowledge of triple digit addition and subtraction. Use this quiz to drive data and create math groups. It is ready to print and use for your classroom.

If you enjoyed this product, please leave a review and follow my page E•Fish•ient Teaching

Thank you for your download!

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Triple Digit Addition & Subtraction: Mixed Problems: Algorithm & Word Problems

By E•Fish•ient Teaching

Ready to challenge your students with a blend of triple-digit addition and subtraction? Look no further than this set of mixed problems worksheets. This resource offers a diverse collection of exercises designed to strengthen students' proficiency in both addition and subtraction of three-digit numbers. With a balanced mix of problems incorporating regrouping and some without regrouping. These worksheets provide an excellent opportunity for learners to sharpen their mathematical skills.

What makes these worksheets stand out?

  • Variety of Formats: These worksheets explore both standard algorithm and word problems, providing a well-rounded approach.
  • Aligned with Standards: Aligned with Common Core Standards. These worksheets seamlessly integrate into your curriculum, ensuring comprehensive coverage of the topic.

What's included?

  • 3 Standard algorithm addition & subtraction worksheets with answer keys. Students will practice identifying which equations need to be regrouped.
  • 2 word problem worksheets with answer keys. Students will practice
    reading word problems, writing an addition & subtraction equations, and solve for them.

Looking for similar products? Take a look at these...

  • Triple Digit Addition: 5 Pages of Practice
  • Triple Digit Subtraction: 5 Pages of Practice

Equip your students with the skills to confidently tackle mixed triple-digit addition and subtraction problems. Whether utilized for practice, assessment, or homework assignments, this resource fosters a deeper understanding of mathematical operations, encouraging a solid foundation in arithmetic. Empower your learners and watch their mathematical prowess soar with this invaluable resource!

If you enjoyed this product, please leave a review and follow my store. If you would like to see more products by me follow the link Finding the Fish. Thank you for your purchase and I hope you enjoy!

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Triple Digit Subtraction With/Without Regrouping: 3 Digit Subtraction

By E•Fish•ient Teaching

Triple Digit Subtraction Practice: 3 digit subtraction worksheets for elementary learners. Take your students' subtraction skills to new heights with our meticulously designed set of triple-digit subtraction worksheets. Each worksheet is designed to solidify understanding and proficiency in subtracting three digit numbers. Ensure your students have a strong foundation in subtraction with these 5 worksheets to practice subtraction with and without regrouping.

Key Features:

  • Scaffolded Practice: Worksheets start with a boxes for students to show their regrouping. Then gradually move on to students showing their own work.
  • Variety of Formats: These worksheets explore both standard algorithm and word problems, providing a well-rounded approach.
  • Aligned with Standards: Aligned with Common Core Standards. These worksheets seamlessly integrate into your curriculum, ensuring comprehensive coverage of the topic.

What's Included?

  • 3 Standard algorithm subtraction worksheets with answer keys. Students
    will practice identifying which equations need to be regrouped.
  • 2 word problem worksheets with answer keys. Students will practice
    reading word problems, writing a subtraction equation, and solving for it.

Empower your students to become subtraction masters with these worksheets. Whether utilized for in-class practice, homework assignments, or skill assessment, this resource is a valuable addition to your teaching toolkit.

Looking for other resources like this?

  1. Triple Digit Addition Practice

Please feel free to look at the rest of my store at and if you loved my product please leave a review! Thank you! Finding the Fish

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Rounding, Three Digit Addition & Subtraction Assessment with Rubric: 3NBT.1 & 2

By E•Fish•ient Teaching

Do you want to check your students mastery of rounding, three digit addition, and subtraction? This assessment can be used as a pre/post test for the Numbers and Operations in Base Ten standard in 3rd grade math. Students will show what they know about adding and subtracting 3 digit numbers. They will also show what they know about rounding to the nearest ten and hundred. This Assessment covers NBT.1 and NBT.2 for 3rd grade. Look no further for a reliable assessment to gauge the understanding of rounding and triple digit addition/subtraction for your classroom.

This assessment comes with a standards based rubric. Each question of the assessment is tied to specific standard and graded on a scale of 1 though 4.

Key Features:

  1. Rubric for Grading: Accompanied by a rubric, this assessment is easy to grade, providing clear criteria for evaluating students performance.
  2. Thorough Coverage: This assessment covers rounding to the nearest ten and hundred, as well as triple digit addition and subtraction, aligning perfectly with Common Core Standards 3NBT.1 & 2.

Benefits of Using this Resource:

  • Enhanced Student Learning: By assessing students' understanding of rounding, three-digit addition, and subtraction, educators can tailor their instruction to address individual learning needs effectively, fostering greater comprehension and mastery.
  • Streamlined Assessment Process: With a ready-to-use assessment and accompanying rubric, educators save valuable time on preparation and grading, allowing them to focus more on teaching and student support.
  • Data-Driven Instruction: Use assessment data to inform instructional decisions, identify areas for intervention, and track student progress over time, promoting targeted and effective teaching practices. This assessment can be used as both a preassessment and post assessment.
  • Aligned with Standards: Designed to align seamlessly with Common Core Standards 3NBT.1 & 2, this assessment ensures that students are meeting grade-level expectations and progressing towards mathematical proficiency.

Looking for practice worksheets to help accompany these skills? Take a look at these products.

  • Rounding & Three-digit Addition/Subtraction Unit
  • Rounding to the Nearest Ten Packet
  • Addition & Subtraction with Rounding to the nearest 100
  • Rounding to the Nearest Hundred Packet
  • Addition & Subtraction with Rounding to the Nearest 10

Save time and utilize this ready to use assessment with rubric to measure your students understanding of rounding, triple digit addition, and subtraction.

What are other teachers saying?

"I used this resource to review before our rounding checkpoint and the questions were perfect!"

_"_I love that this worksheet includes story problems for real-life context. I also like that it includes problems not only written vertically but also horizontally so students can have to practice writing the equation out themselves and then solving the problem."

If you enjoyed this product, please leave a review and follow my page E•Fish•ient Teaching

Thank you for your download!

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Addition & Subtraction with Rounding to Nearest Hundred: Estimation Sums

By E•Fish•ient Teaching

This is a great resource for your students to practice rounding numbers to the nearest hundred. Students will practice their skill of estimation by rounding to the nearest hundred and then continue to add or subtract their rounded number. These two pages of practice offers a concise, yet thorough approach to rounding to the nearest hundred and estimating sums and differences.

What's included:

  • 2 pages of practice where students will round numbers then add or subtract to find the estimate. One side of the worksheet students will circle the best estimate and the other side they will write out the solution.
  • Answers Keys included to make grading simple and quick.

These worksheets are aligned with the Common Core and reinforce fundamental math skills. They are ready to print and use in your classroom. Use these worksheets as an in-class assignment, targeted intervention, math centers, or homework.

What have people said about this product?

⭐️⭐️⭐️⭐️⭐️ Quin M says, "This was the perfect resource for my students to be able to round their numbers and see it written out before they add or subtract it."

⭐⭐⭐⭐⭐"Great resource to use in my third-grade classroom." says Mallory T.

⭐⭐⭐⭐⭐Michele Y is extremely satisfied and states, "My third grade students benefited from this resource."

If you are looking for similar products take a look at these:

Rounding to Nearest 10 with Addition and Subtraction

Rounding to the Nearest 100 Practice

Rounding to the Nearest 10 Practice

Empower your students with rounding and estimation skills using this 2 page rounding and estimation practice to the nearest 100.

I hope you enjoyed this product! If you liked it, please leave me a review. If you would like to see some of my other products please follow along at E•Fish•ient Teaching

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Rounding To the Nearest 10: Scaffolding With a Number line & Without: 10 Pages

By E•Fish•ient Teaching

This rounding packet has everything you need to help teach your students how to round to the nearest ten. These worksheets are scaffolded and build upon each other. There is one handout for students to keep on their desk as a reference for rounding. Then there are 9 different worksheets to help students practice the skill of rounding to the nearest ten.

What you'll get in this download:

  • One page is a handout that you can give to your students to help them remember how to round. It shows a number line and what numbers round up and what numbers round down.
  • There are 2 pages of practice that help students practice finding their number on the number line and distinguishing what two groups of tens the number is between. They will correctly identify where the given number is located.
  • 1 page has students practice identifying what two groups of tens the number is between and then decide what group of ten their number is closest to.
  • 2 pages of practice that have students round to the nearest ten. These worksheets have the number line on the top to help assist students.
  • 2 pages of practice that just have the student round to the nearest ten without any guided help. This is perfect to introduce rounding and then to have them independently work on it to show what they know.
  • The last 2 pages are for an extension or extra practice. These worksheets are numbers that are larger than 100. Students will still need to round to the nearest 10, but need to be careful to round the right place value.

These worksheets are very versatile and can be used for instruction, practice, assessment, or centers.

Teachers like you say...

⭐⭐⭐⭐⭐Beth S gives it 5 starts and says, "This is a comprehensive set of quality worksheets that were so easy to use. Thanks for making my life easier!"

⭐️⭐️⭐️⭐️⭐️Rita H says, "If you're a math teacher looking for an easy and effective way to help your students understanding the concept of rounding to the nearest 10, then you will not be disappointed!"

⭐️⭐️⭐️⭐️⭐️ Janessa L says, "This resource has helped multiple students master rounding."

Want to save money and buy the bundle? Check out these resources

  • Rounding to the Nearest 10s and 100s bundle.
  • Rounding & 3-Digit Addition/Subtraction Unit

Are you looking for more rounding fun?

  • Estimation to the Nearest 10
  • Estimation to the Nearest 100
  • Valentine's Day Rounding Mazes
  • Halloween Rounding Fun

Aligned with the Common Core

3.NBT.A.1

3.NBT.A.3

I hope you enjoyed this product! If you liked it, please leave me a review. If you would like to see some of my other products please follow along at E•Fish•ient Teaching.

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Place Value & Rounding Quiz with Rubric: 3rd Grade Math

By E•Fish•ient Teaching

Test what your students know about 3rd grade math. This quiz is designed to engage and assess students' understanding of place value, rounding to the nearest ten, and rounding to the nearest hundred. With answer keys provided and a rubric, it makes for an easy grading process. This ready to use quiz can be used in many different ways. As a practice worksheet, in a math center, as homework, or simply as a quiz.

Are you ready to see if your students have retained the math concepts of rounding and place value? Look no further as this is ready to print and use! No prep is necessary. Which saves you valuable time! Each question is aligned to a third grade core standard.

What will you get?

  • 2 page quiz on rounding and place value
  • 1 standard based rubric
  • Answer keys for quiz

Are you looking for other 3rd grade math materials? Take a look here...

Rounding Bundle

3rd Grade Test Prep/Math Reviews

Whole Year 3rd Grade Math Assessments

Multiplication/Division Golf

If you enjoyed this product, please leave a review and follow my page Finding the Fish.

Thank you for your download!

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Triple Digit Addition With/Without Regrouping: 3 Digit Addition within 1000

By E•Fish•ient Teaching

Are your students ready to take their addition skills to the next level? Introduce them to the world of triple-digit addition. These 5 pages of practice of 3 digit addition help students add with and without regrouping within 1000. These worksheets are created to strengthen students' grasp of adding three digit numbers while practicing knowing when to regroup.

Key Features:

  • Scaffolded Practice: Worksheets start with a boxes for students to show their regrouping. Then gradually move on to students showing their own work.
  • Variety of Formats: These worksheets explore both standard algorithm and word problems, providing a well-rounded approach.
  • Aligned with Standards: Aligned with Common Core Standards. These worksheets seamlessly integrate into your curriculum, ensuring comprehensive coverage of the topic.

What's Included?

3 Standard algorithm addition worksheets with answer keys. Students
will practice identifying which equations need to be regrouped.

2 word problem worksheets with answer keys. Students will practice
reading word problems, writing an addition equation, and solving it.

Empower your students to confidently tackle triple-digit addition with these thoughtfully curated worksheets. Whether used for practice, reinforcement, or assessment, this resource is your go-to tool for nurturing strong mathematical foundations among elementary learners.

Please feel free to look at the rest of my store at and if you loved my product please leave a review! Thank you! Finding the Fish

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Addition & Subtraction with Rounding to Nearest Ten: Estimation to Nearest Ten

By E•Fish•ient Teaching

Practice estimating addition and subtraction problems. Enhance your students' estimation skills with this 2 page practice of rounding to the nearest ten. One page is addition with estimation. The other page is estimation with subtraction. This worksheet deals with double digit numbers only. Students will get an estimate of an answer after they round both numbers. You may also have the students solve the actual problem if you so choose. These worksheets are perfect for 3rd grade math.

Key Features:

  • Skill Development: Students will sharpen their ability to estimate numbers to the nearest tens place, a crucial skill for mental math and problem-solving.
  • Multiple Uses: Use these worksheets in math centers, independent practice, homework, warm-up, or a review activity.
  • Ready to Print & Use: No prep needed, just print this and you are ready to go!
  • Answer Keys: Save some time grading with the prepared answer keys.

Whether you are looking for a way to reinforce your estimation lesson or you are a parent supporting your child's math skills at home, this resource offers valuable practice.

Are you looking for more rounding or estimation worksheets? Take a look at these resources:

  1. Rounding & 3 Digit Addition Unit
  2. Rounding To the Nearest 10s and 100s
  3. Estimation with Rounding to the Nearest 100

I hope you enjoyed this product! If you liked it, please leave me a review. If you would like to see some of my other products please follow along at E•Fish•ient Teaching.

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