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.

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...

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.

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.

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.

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.

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...

Use Glencoe's randomly generated self-checking quiz to test your knowledge of rounding decimals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button...

Use this website to practice rounding decimals to the nearest whole numbers using a flash card format.

This tutorial-practice has students round decimals to the nearest whole numbers using a matching game format.

Students can practice rounding whole numbers to the nearest hundred in a series of self-check exercises and timed learning games.

Students can practice rounding whole numbers to the nearest ten through a series of self-check exercises and timed learning games.

This resource has three problem sets to practice rounding whole numbers to 10's, 100's and so on, place. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all...

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.

This resource covers whole number rounding where students can choose to round to the nearest tens to millions. After selecting parameters students are timed completing ten problems with instant feedback and an opportunity to practice again.

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.

[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences by rounding decimals to whole numbers.

This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.

This site offers exercises and games for students to practice rounding whole numbers to the nearest ten thousand.

[Free Registration/Login may be required to access all resource tools.] Compare and order decimals without using rounding.

Students will play multiple learning games to explore numbers up to 9999. Games include putting numbers into words, rounding, counting, and dividing.

Practice rounding numbers to the nearest whole number or fraction with this interactive game. Check out this helpful resource!

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....

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.