Beacon Learning Center
Beacon Learning Center: Let's Go Shopping
Students can practice estimation by rounding decimal numbers to the nearest dollar.
Beacon Learning Center
Beacon Learning Center: Round About
Students learn about estimation using a number line and rounding rules through this interactive web lesson.
TeachEngineering
Teach Engineering: About Accuracy and Approximation
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...
Knowledge Share
Super Kids: Math Worksheet Creator
The math worksheet creator allows teachers to create their own math drill worksheets. Teachers can select the type of problem, determine how many numbers they want to use and then just click a button and the worksheet is automatically...
Math Drills
Math Drills: Number Sense Worksheets
Download these free worksheets to sharpen your number sense skills. Sheets focus on roman numerals, scientific notation, counting, expanded form, exponents, factoring, roots, and rounding.
PBS
Pbs Learning Media: 100 Days of School
The 100 Days of School collection includes Videos, Documents, Interactive, and Media Gallery for Grades PreK-K, K-2, 3-5, 6-8.
E-learning for Kids
E Learning for Kids: Math: Movie Theater: Whole Number: Rounding Numbers and Roman Numerals
Come see the movie theater and eat popcorn with Jennifer! Practice counting snacks, the money earned, and the most popular movies. Learn about putting numbers in order, writing numbers as words, using expanded notation, and reading Roman...
E-learning for Kids
E Learning for Kids: Math: Inca Temple: Whole Numbers: Large and Ordinal Numbers
Join Curi for the festival of the Sun God. Can you work with the big numbers?
AAA Math
Aaa Math: Rounding to the Nearest Hundred
Students can practice rounding whole numbers to the nearest hundred in a series of self-check exercises and timed learning games.
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 Numbers to the Nearest Thousand
Students can practice rounding numbers to the nearest thousand through a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Estimating a Sum
Students can practice estimating sums to the nearest thousand in a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Estimating a Difference
Students can practice estimating differences in a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Estimation
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
AAA Math
Aaa Math: Subtraction Using Estimation
This site explains how to estimate differences by rounding. Games and exercises are provided to practice the skill.
AAA Math
Aaa Math: Addition Using Estimation
This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.
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.
CK-12 Foundation
Ck 12: Elem Math: Rounding to the Nearest Whole Number
[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...
CK-12 Foundation
Ck 12: Elem Math: Round to the Nearest 2 Decimal Places or the Hundredths Place
[Free Registration/Login may be required to access all resource tools.] The video explains an example of rounding a number to the nearest hundredth. The video is followed by a series of practice questions to assess student comprehension...
Shodor Education Foundation
Shodor Interactivate: Estimator Four
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.
Shodor Education Foundation
Shodor Interactivate: Lesson: Estimation
This lesson plan is designed to help students learn to make estimates. Resources are linked to help support the teacher and offer exploration and practice to students.
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.
Math Is Fun
Math Is Fun: Rounding Numbers
What is rounding, and what does it mean to round up and round down? Learn how to round numbers via simple steps and examples.
Quia
Quia: Hangman Rounding
Don't get "hung up" when you play this old game with a new twist. Simply, round each numbers to the nearest thousand then, find the sum or difference. Knowledge of place value units, where to put the comma, and good computation skills...