Interactive
Quia

Quia: Rounding Decimals/whole Numbers

For Students 4th - 6th Standards
Two learning games and flashcards are available for students to practice rounding decimals to the nearest whole number.
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Khan Academy

Khan Academy: Round Whole Numbers

For Students 3rd - 5th Standards
Practice rounding whole numbers to the nearest hundred or thousand.
Handout
The Math League

The Math League: Decimals, Whole Numbers and Exponents

For Students 4th - 8th
This tutorial has definitions and examples of decimals, whole numbers, and exponents. In addition, a variety of topics are covered, such as comparing, multiplying and subtracting.
Interactive
Quia

Quia: Decimal and Whole Number Jeopardy

For Students 3rd - 6th Standards
You can use this web site to compare and round numbers and to also practice rounding whole numbers and decimals. You can just play by yourself or with another player! See how many points you can get.
Unit Plan
Khan Academy

Khan Academy: Estimate to Add and Subtract Multi Digit Whole Numbers

For Students 1st - 3rd Standards
Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Unit Plan
AAA Math

Aaa Math: Rounding Numbers to the Nearest Thousand

For Students 3rd - 4th Standards
Students can practice rounding numbers to the nearest thousand through a series of self-check exercises and timed learning games.
Activity
The Math League

The Math League: Whole Numbers & Basic Properties

For Students 3rd - 8th Standards
Here is a nice resource for students and teachers about whole numbers and their basic properties. It provides links to information on place value, expanded form, and rounding numbers are just a few of the topics on this page.
Unit Plan
Khan Academy

Khan Academy: Rounding Challenge

For Students 2nd - 4th Standards
Give your brain a workout with these challenge problems on rounding. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NBT.A.1 Use place value...
Unit Plan
Khan Academy

Khan Academy: Write Whole Numbers in Expanded Form

For Students 3rd - 5th Standards
Practice reading and writing numbers written in expanded form. Example: The expanded form of 376 is 300 + 70 + 6. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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McGraw Hill

Glencoe: Self Check Quizzes 1 Rounding Fractions and Mixed Numbers

For Students 3rd - 8th
Use Glencoe's self-checking quiz to test your knowledge of rounding fractions and mixed numbers. Each question has a "Hint" link to help. Choose the correct answer for each problem, and click the "Check It" button to how you did.
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Illustrative Mathematics

Illustrative Mathematics: 3.nbt, 4.nbt Rounding to the Nearest 100 and 1000

For Teachers 2nd - 4th Standards
This task builds off of the skill of rounding to the nearest ten and hundred in third grade. Aligns with CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 3.nbt Rounding to 50 or 500

For Teachers 2nd - 4th Standards
Students explore different rounding scenarios. Aligns with CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 3.nbt Rounding to the Nearest Ten and Hundred

For Teachers 2nd - 4th Standards
The purpose of this task is for students to practice rounding numbers to the nearest ten, connect the rules for rounding with location on the number line, and to introduce the idea of rounding to the nearest 100. Aligns with...
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 1 Rounding Decimals

For Students 5th - 6th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of rounding decimals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button...
Interactive
Quia

Quia: Rounding Decimals Whole Numbers Flashcards

For Students 5th - 6th Standards
Use this website to practice rounding decimals to the nearest whole numbers using a flash card format.
Interactive
Quia

Quia: Rounding Decimals Whole Numbers

For Students 5th - 6th Standards
This tutorial-practice has students round decimals to the nearest whole numbers using a matching game format.
Unit Plan
AAA Math

Aaa Math: Rounding to the Nearest Hundred

For Students 2nd - 3rd Standards
Students can practice rounding whole numbers to the nearest hundred in a series of self-check exercises and timed learning games.
Unit Plan
AAA Math

Aaa Math: Rounding to the Nearest Ten

For Students 1st - 2nd
Students can practice rounding whole numbers to the nearest ten through a series of self-check exercises and timed learning games.
Website
Saddleback College

Algebra2go: Rounding Numbers Problem Sets

For Students 9th - 10th Standards
This resource has three problem sets to practice rounding whole numbers to 10's, 100's and so on, place. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all...
Activity
Texas Instruments

Texas Instruments: In Round Numbers

For Teachers 6th - 8th
In this activity, students will develop and test rules for rounding whole numbers and decimal fractions. They will use the information to solve real-world problems.
Unknown Type
Math Slice

Basic Math: Rounding

For Students 3rd - 5th Standards
This resource covers whole number rounding where students can choose to round to the nearest tens to millions. After selecting parameters students are timed completing ten problems with instant feedback and an opportunity to practice again.
Interactive
Topmarks Online

Topmarks: Rocket Rounding

For Students 2nd - 6th Standards
A multiple choice game involving rounding numbers to ten, a hundred and to a whole number. There are two options, one with a number line and the other more difficult level, without one.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Rounding to Estimate Sums and Differences

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences by rounding decimals to whole numbers.
Unit Plan
AAA Math

Aaa Math: Addition Using Estimation

For Students 5th - 7th
This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.