Interactive
ABCya

Ab Cya: Rounding Numbers

For Students 3rd - 6th Standards
Soccer Math: Rounding provides a fun way for kids to practice rounding numbers. There are three different levels of difficulty: 1.Tens & Hundreds 2.Tens, Hundreds & Thousands 3.Tens, Hundreds, Thousands & Decimals Get five...
Interactive
Soft Schools

Soft Schools: Rounding Numbers Game

For Students 2nd - 4th Standards
Students practice rounding numbers, and their score is kept at the top of the page. At the beginning of the game, you choose the minimum and maximum numbers. Round to the nearest ten, hundred, or thousand.
Unit Plan
Math Is Fun

Math Is Fun: Rounding Numbers

For Students 1st - 6th Standards
What is rounding, and what does it mean to round up and round down? Learn how to round numbers via simple steps and examples.
Professional Doc
Primary Resources

Primary Resources: Rounding Numbers and Estimating

For Teachers 3rd - 5th Standards
A large selection of teacher resources to help teach and review the concepts of rounding and estimating. There are many worksheets and a few PowerPoint presentations.
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...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.ns Calculating and Rounding Numbers

For Teachers 8th
In this task, 8th graders investigate how numbers are rounded when using a calculator and what effects this can have. Aligns with 8.NS.A.
Handout
Fact Monster

Fact Monster: Rounding Numbers

For Students 1st - 4th Standards
The lesson explores how to round numbers. Explanations and examples are included in the tutorial.
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.
Interactive
Calculator Soup

Calculator Soup: Rounding Numbers Calculator

For Students 9th - 10th
Rounding calculator teaches how to round numbers up or down to any decimal place. Choose ones to round a number to the nearest dollar. Choose hundredths to round an amount to the nearest cent.
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...
Interactive
Quia

Ixl Learning: Estimate Sums With Numbers Up to 100,000

For Students 3rd - 5th
Practice rounding numbers to the nearest ten to estimate the sum.
Activity
Shodor Education Foundation

Shodor Interactivate: Fire: Estimating Percent

For Students 9th - 10th
This interactive activity allows the student to visually practice estimation skills by estimating the number of trees and the percent of trees burned in a forest fire. There are 3 levels that provide estimating practice for large and...
Activity
NumberNut

Number Nut: Rounding Numbers to the Nearest Ten Memory Challenge

For Students 1st - 2nd
Play this online memory game by flipping cards and selecting pairs that match by rounding one of the numbers to the nearest ten. Eliminate pairs and practice your rounding skills.
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NumberNut

Number Nut: Rounding Numbers to the Nearest Tenth

For Students 4th - 5th Standards
Practice your rounding skills in this online quiz. There are ten questions, and you select the correct answer by rounding to the nearest tenth.
Interactive
NumberNut

Number Nut: Rounding Numbers to the Nearest Tenth Memory Challenge

For Students 4th - 5th Standards
Practice your rounding skills in this online memory game. Eliminate pairs of cards by selecting a card and finding its rounding match.
Unknown Type
NumberNut

Number Nut: Rounding Numbers to the Nearest Ten

For Students 1st - 2nd
Practice your rounding skills through this online quiz. Round each number to the nearest ten, and select the correct answer of the three choices given. There are ten random questions. Immediate feedback is given.
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...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Inca Temple: Whole Numbers: Large and Ordinal Numbers

For Students 4th - 6th Standards
Join Curi for the festival of the Sun God. Can you work with the big numbers?
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.
Interactive
Other

Basket Math: Rounding Practice

For Students 2nd - 4th Standards
Use this interactive math site to practice rounding numbers.
Handout
Purple Math

Purplemath: Rounding Numbers

For Students 3rd - 5th Standards
Reviews how to round numbers to a given place or number of decimal places.
Lesson Plan
PBS

Pbs Kids Afterschool Adventure!: Operation: Numbers 1 10 Activity Plan

For Teachers Pre-K - K Standards
In this week's Afterschool Adventure, children will explore simple math activities using the numbers one through ten. Children will represent numbers in different ways, such as drawing quantities; writing numerals; and using number...
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
CK-12 Foundation

Ck 12: Elem Math: Rounding to the Nearest Whole Number

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video describes the process of rounding a decimal to the nearest whole number and gives an example. The video is followed by a series of practice questions to...

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