Quia
Quia: Decimal and Whole Number Jeopardy
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.
Soft Schools
Soft Schools: Rounding Numbers Game
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.
Discovery Education
Discovery Education: Web Math: How to Round a Number
This site provides a description and helpful hints on how to round numbers to any place value. Content also includes an interactive problem solver complete with a full description of how the answer was accomplished.
Knowledge Share
Super Kids: Rounding Numbers Worksheet Creator
Create your own math facts worksheets for rounding numbers. Problems can positive and negative numbers and decimal values. The user inputs the maximum and minimum values of the numbers to be used, makes decisions about negatives and...
Topmarks Online
Topmarks: Rocket Rounding
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.
AAA Math
Aaa Math: Rounding Numbers to the Nearest Ten
This site explains how to round whole numbers to the nearest ten. The information on the site gives exercise problems and games to practice this skill in a fun and helpful way.
AAA Math
Aaa Math: Round to Nearest Thousand
This site explains how to round whole numbers to the nearest thousand. Gives practice and games to master this skill.
AAA Math
Aaa Math: Round to Nearest Hundred Thousand
This site explains how to round whole numbers to the nearest hundred thousand. Gives practice and games to practice this skill which are fun and helpful on the subject.
AAA Math
Aaa Math: Estimating a Sum by Rounding
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.
AAA Math
Aaa Math: Front End Estimation
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
NumberNut
Number Nut: Rounding Numbers to the Nearest Tenth
Practice your rounding skills in this online quiz. There are ten questions, and you select the correct answer by rounding to the nearest tenth.
NumberNut
Number Nut: Rounding Numbers to the Nearest Ten
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.
NumberNut
Number Nut: Rounding Numbers to the Nearest Tenth Memory Challenge
Practice your rounding skills in this online memory game. Eliminate pairs of cards by selecting a card and finding its rounding match.
NumberNut
Number Nut: Rounding Numbers to the Nearest Ten Memory Challenge
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.
ClassFlow
Class Flow: Rounding Numbers
[Free Registration/Login Required] Using a number-line, students will round numbers to the nearest whole up to the nearest thousands. Activote assessment is included along with two practice opportunities.
ClassFlow
Class Flow: How to Round
[Free Registration/Login Required] Instruction, activity, and assessment are all covered in this flipchart on how to round numbers to different place values.
Math Slice
Math Slice: Rounding: Math Worksheets
This tool allows you to create worksheets where students must round whole numbers or decimal numbers to various place value positions.
Purple Math
Purplemath: Rounding Numbers
Reviews how to round numbers to a given place or number of decimal places.
Other
Gynzy: Rounding Money
In this interactive game, students round money to 5 cents, 10 cents, or 100 cents by dragging a puzzle piece the the correct answer and revealing a picture when finished.