Illustrative Mathematics
Illustrative Mathematics: 4.nbt Rounding to the Nearest 1000
The purpose of this task is for students to estimate the position of numbers less than 10,000 on the number line, to practice rounding, and to make the connection between rounding and location on the number line. Aligns with 4.NBT.A.3.
E-learning for Kids
E Learning for Kids: Math: Movie Theater: Numbers to 9999
On this interactive website students practice various math skills using a real life scenario. Those skills include using words to show four-digit numbers, putting numbers in ascending order, and relating large numbers to everyday life.
E-learning for Kids
E Learning for Kids: Math: Elephant Plant: Numbers to 9999
Students will play multiple learning games to explore numbers up to 9999. Games include putting numbers into words, rounding, counting, and dividing.
Texas Instruments
Texas Instruments: In Round Numbers
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.
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.
Khan Academy
Khan Academy: Round Whole Numbers
Practice rounding whole numbers to the nearest hundred or thousand.
Illustrative Mathematics
Illustrative Mathematics: 7.ns Rounding and Subtracting
This lesson plan has students subtract and round rational numbers.
The Math League
The Math League: Decimals, Whole Numbers and Exponents
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.
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.
The Math League
The Math League: Whole Numbers & Basic Properties
Here is a nice resource for students and teachers about whole numbers and their basic properties. It provides links to information on place value, expanded form, and rounding numbers are just a few of the topics on this page.
McGraw Hill
Glencoe: Self Check Quizzes 1 Rounding Fractions and Mixed Numbers
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.
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.
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.
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...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Round to the Nearest Hundred [Pdf]
Students play a card game with a partner to practice rounding numbers to the nearest hundred.
Khan Academy
Khan Academy: Write Whole Numbers in Expanded Form
Practice reading and writing numbers written in expanded form. Example: The expanded form of 376 is 300 + 70 + 6. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Arithmetic: Large Decimal Rounding to Decimal Representations
[Free Registration/Login may be required to access all resource tools.] Round very large numbers to a given place value.
Texas Instruments
Texas Instruments: Significant Figures/accuracy
This StudyCards stack enables students to review definitions and the rules for rounding numbers and using significant figures.
History is Fun
Jan Brett: Seashell Rounding Activity
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.
ClassFlow
Class Flow: Rounding
[Free Registration/Login Required] This flipchart is a series of Activote pages designed to evaluate students' understanding of rounding numbers.
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.
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...
Quia
Quia: Rounding Decimals Whole Numbers Flashcards
Use this website to practice rounding decimals to the nearest whole numbers using a flash card format.
Quia
Quia: Rounding Decimals Whole Numbers
This tutorial-practice has students round decimals to the nearest whole numbers using a matching game format.
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