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Title:
| Math: Rounding |
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Description:
| These sites include the rules for rounding whole numbers and decimals. Includes many examples, plus online games and quizzes. There is a link to an eThemes Resource on estimation, rounding, money and place value. |
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Grade Level:
| 3, 4 |
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Resource Links:
| Fact Monster: Rounding Numbers
Learn how to round whole numbers and fractions. Read the rules for rounding and see several examples. NOTE: The site has banner ads.
The Sea Shell Rounding Activity Page
Play this fun game to test your rounding skills.
Rounding Idea Bank
This site offers ideas from teachers on how to explain the concept of rounding to students.
Estimating and Rounding
Read how to estimate numbers, then scroll to the bottom of the page for an interactive example. Move your mouse across the number to see the answers. NOTE: This site has banner ads.
Whole Numbers and Their Basic Properties
Learn about rounding whole numbers. Here you can read the rules of how to round and see examples.
Decimals, Whole Numbers, and Exponents
Learn how to round numbers with a decimal. You can read the rules and see examples.
SuperKids Math Worksheet Creator
Learn how to decide whether you want to round to the nearest ten, hundred, or thousand. The site provides numbers for you to test your skills. These exercises are nice for use on the SMARTboard. NOTE: The site includes ads.
Math Builder: Free Worksheets and Puzzles from Algebra to Statistics
From the middle column, select a grade level and then scroll down for worksheets on rounding.
Teach R Kids Math
Try this online quiz.
Rounding Riddles
Try to solve these math riddles that require you to round the numbers. NOTE: The site leads to a website with discussion boards.
Ask Dr. Math
Read explanations and examples for rounding decimals. Click on the links at the bottom of the page for more help with rounding.
BBC: Rounding and Estimating
This site explains rounding and estimating by providing visual illustrations. Online quizzes and worksheet are also included. NOTE: The "Talk" link leads to message boards.
SuccessLink: Blast off with Rounding
This learning module helps to assess student's ability to round.
Estimating Products
Print this one-page PDF file for practice on estimating products by rounding. Answer sheet is included.
Quia: Rounding Decimals/Whole Numbers
Select an activity and practice rounding.
BBC: Rounding Off
Test your knowledge about rounding. Choose a level of difficulty to start a game. Click "Key Ideas" to review rounding concepts. NOTE: The "Talk" link leads to message boards.
eThemes Resource: Estimation, Rounding, and Money
Learn how to estimate and round numbers and money. These sites include information on math as it relates to money and shopping. There are online activities that allow students to practice estimating and rounding skills. Includes links to eThemes Resource on counting money and money facts.
eThemes Resource: Place Value
These sites focus on place value and cover basic concepts and place value charts. Includes many interactive games and quizzes. There are also some activity ideas and video clips.
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Education Standards:
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ME Standards:
A.3, B.4, M1B3.3, M1B3.4
MO Standards:
1.6, 1.10, 1
If you are an eMINTS teacher and standards have not been defined for your
state, click the button below to request that they be assigned to this resource.
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