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PBS
Pbs Kids Afterschool Adventure!: Operation: Numbers 1 10 Activity Plan
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...
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.
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.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt Rounding to the Nearest Ten and Hundred
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...
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.
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.
Primary Resources
Primary Resources: Rounding Numbers and Estimating
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.
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.
Khan Academy
Khan Academy: Round to Nearest 10 or 100 on the Number Line
Practice rounding to the nearest ten and rounding to the nearest hundred on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Khan Academy
Khan Academy: Rounding Challenge
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...
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
Practice your rounding skills in this online quiz. There are ten questions, and you select the correct answer by rounding to the nearest tenth.
Quia
Ixl Learning: Estimate Sums With Numbers Up to 100,000
Practice rounding numbers to the nearest ten to estimate the sum.
Purple Math
Purplemath: Rounding Numbers
Reviews how to round numbers to a given place or number of decimal places.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt, 4.nbt Rounding to the Nearest 100 and 1000
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.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt Rounding to 50 or 500
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.
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.
NumberNut
Number Nut: Rounding Numbers to the Nearest Hundred
Round each number to the nearest hundred. Select the correct answer of three choices. There are ten random questions.
AAA Math
Aaa Math: Rounding to the Nearest Ten
Students can practice rounding whole numbers to the nearest ten through a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Rounding to the Nearest Ten Thousand
This site offers exercises and games for students to practice rounding whole numbers to the nearest ten thousand.
ClassFlow
Class Flow: Estimating Sums and Differences
[Free Registration/Login Required] This flipchart is designed to teach third grade students the steps in estimating sums and differences. It also reviews rounding numbers to the nearest ten and hundred.
E-learning for Kids
E Learning for Kids: Math: Inca Temple: Three Digit Numbers
On this interactive website students practice various math skills using a real life scenario in a classroom. Those skills include identifying three-digit numbers, putting numbers in ascending and descending order, and rounding numbers to...
Khan Academy
Khan Academy: Approximating With Powers of 10
Practice comparing two real-world quantities by approximating them using rounding and powers of 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Round to the Nearest Ten [Pdf]
Students will play a game using a deck of cards to further understanding of rounding to ten.