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Unknown Type
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.
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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.
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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.
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Unknown Type
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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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.
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Interactive
Other

Basket Math: Rounding Practice

For Students 2nd - 4th Standards
Use this interactive math site to practice rounding numbers.
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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...
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Activity
Texas Instruments

Texas Instruments: Estimating With Rational Numbers

For Teachers 6th - 8th Standards
In this activity, students will round fractions and mixed numbers, and then use their rounding skills to estimate sums, differences, products, and quotients.
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Unit Plan
PBS

Pbs: Rounding to Wholes, Tenths, and Hundredths

For Students 3rd - 5th Standards
On some nights only certain numbers can get in to the Number Line Party, what's a decimal to do? This interactive exercise combines activities here appear in two other Number-Line Party lessons and focuses on using what you know about...
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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.
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Interactive
PBS

Pbs Learning Media: Rounding: Cyberchase Games

For Students K - 1st
In this interactive activity, discover how rounding off numbers helps you estimate faster.
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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.
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Activity
Texas Instruments

Texas Instruments: Significant Figures/accuracy

For Teachers 9th - 10th
This StudyCards stack enables students to review definitions and the rules for rounding numbers and using significant figures.
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Activity
TeachEngineering

Teach Engineering: About Accuracy and Approximation

For Teachers 5th - 7th
Students learn about the concepts of accuracy and approximation as they pertain to robotics, gain insight into experimental accuracy, and learn how and when to estimate values that they measure. Students also explore sources of error...
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Activity
History is Fun

Jan Brett: Seashell Rounding Activity

For Students 1st - 2nd
Sharpen your rounding skills with this interactive game based on Jan Brett's, Comet's Nine Lives. Round correctly to the nearest ten and earn a sand dollar for each correct response. Immediate feedback provided.
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Unknown Type
NumberNut

Number Nut: Rounding Numbers to the Nearest Hundred

For Students 1st - 3rd Standards
Round each number to the nearest hundred. Select the correct answer of three choices. There are ten random questions.
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Lesson Plan
Alabama Learning Exchange

Alex: Are Your Numbers Round?

For Teachers 3rd - 5th
Learners will use a variety of activities and games to learn how to round numbers.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Estimator Four

For Students 2nd - 8th
This applet game for two allows you to practice estimating at several different levels of accuracy. You can choose whole number addition, multiplication, percentages or any combination of the three.
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Interactive
Fun Brain

Fun Brain: Place Value Puzzler

For Students 1st - 5th Standards
An engaging and fast-paced game from FunBrain, where players activate their knowledge of place value and rounding. Numbers range in difficulty from easy to hard. However, for those who are up for a more serious challenge, there's also a...
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Activity
Shodor Education Foundation

Shodor Interactivate: Estimator Quiz

For Students 9th - 10th Standards
This activity allows the student to practice estimating the results of addition multiplication and percentage problems. The activity has 3 levels of challenge.
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Lesson Plan
Oswego City School District

Regents Exam Prep Center: Irrational Approximations

For Teachers 6th - 8th Standards
Providing one lesson, one practice exercise, and two teacher resources, the information at this website is geared toward students who already understand rational and irrational numbers. The lesson has explanations of what happens when a...
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Unknown Type
Shodor Education Foundation

Shodor Interactivate: Fraction Quiz

For Students 9th - 10th
This activity allows the student to practice simplifying, converting, and multiplying decimals, percentages, and fractions. There are 3 levels of difficulty and the time limit may be set from no limit to 60 seconds. Additional...
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Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Square Roots (Object Interactive)

For Students 6th - 8th Standards
Explore a set of perfect squares, as well as their square roots using this highly interactive math resource. In addition, students will get to look at estimates of the square roots of non-perfect squares. Printable activities, solutions,...
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Activity
Teaching Treasures Publications

Teaching Treasures: Year Eight Nine Math (Page 1)

For Students 9th - 10th
Review a variety of number sense skills using this interactive worksheet. Concepts include greatest common factor, lowest common multiple, rounding to the nearest thousandth, and determining percent. Answers can be checked immediately...