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...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Comparisons With Rounding

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Compare and order decimals by rounding the decimals
Unit Plan
PBS

Pbs: Rounding to the Tenths Place

For Students 3rd - 5th
Only numbers with tenths can get in to the number line party, what's a decimal with hundredths to do? This interactive exercise focuses on using what you know about number lines and rounding to the tenths place and then asks you to think...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Large Decimal Rounding to Decimal Representations

For Students 6th Standards
[Free Registration/Login may be required to access all resource tools.] Round very large numbers to a given place value.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Small Decimal Rounding to a Leading Digit

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students round small decimals to the place value of the leading digit. Students examine guided notes, review guided practice, watch instructional...
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...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Decimals, Expressions, Operations

For Students 9th - 10th Standards
Twenty problems presented on the topics: working with expressions, using the distributive property, decimal place value and decimal operations. They are given with each step to the solution cleverly revealed one at a time. You can work...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Maximum or Minimum Possible Value of a Rounded Decimal

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are told the number of digits after a decimal point and the decimal's value when rounded. They must identify the maximum and the...
Handout
Purple Math

Purplemath: Rounding Numbers

For Students 3rd - 5th Standards
Reviews how to round numbers to a given place or number of decimal places.
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Knowledge Share

Super Kids: Rounding Numbers Worksheet Creator

For Students 3rd - 8th Standards
Create your own math facts worksheets for rounding numbers. Problems can positive and negative numbers and decimal values. The user inputs the maximum and minimum values of the numbers to be used, makes decisions about negatives and...
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.
Interactive
Calculator Soup

Calculator Soup: Rounding Numbers Calculator

For Students 9th - 10th
Rounding calculator teaches how to round numbers up or down to any decimal place. Choose ones to round a number to the nearest dollar. Choose hundredths to round an amount to the nearest cent.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Rounding on a Number Line

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Round decimals using a number line.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Rounding and Division

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Find decimal quotients then round to a given place value.
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Common Core Sheets

Common Core Sheets: Number and Operations in Base Ten 5.nbt.4 Worksheets

For Teachers 5th
Teachers can assess students' knowledge of place value with these printable worksheets. You can even create your own worksheet or flashcards.
Handout
Purple Math

Purplemath: Rounding and Significant Digits

For Students 3rd - 5th Standards
Explains how to round to a given number of "significant digits".
Interactive
Study Pad

Splash Learn: Add Decimals Using Models

For Students 5th
[Free Registration/Login Required] This fun decimal addition worksheet introduces students to the world of operations with decimal numbers. Fifth graders use models to visualize the addition of numbers in the tenths and hundredths places...
Unit Plan
Khan Academy

Khan Academy: Round Decimals Using a Number Line

For Students 4th - 6th Standards
Practice using a number line to round decimal numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Math Is Fun

Math Is Fun: Decimals

For Students 4th - 6th Standards
A good introduction to decimals, which includes a definition of place value and several examples of decimal numbers. Follow links at the bottom of this page to access decimal worksheets as well as information on rounding numbers, adding...
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Math Slice

Math Slice: Rounding: Math Worksheets

For Students 3rd - 7th Standards
This tool allows you to create worksheets where students must round whole numbers or decimal numbers to various place value positions.
Whiteboard
ClassFlow

Class Flow: Decimal Basics Review

For Teachers 5th - 6th Standards
[Free Registration/Login Required] In this flipchart students review place value, rounding, and estimation.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Hamburger Restaurant: Operations With Money

For Students 5th - 6th Standards
On this interactive site students learn to round numbers to the nearest ten thousand, determine the place value of any digit, and use ordinal numbers.
Interactive
Calculator Soup

Calculator Soup: Round to Nearest Multiple Calculator

For Students 9th - 10th
Use this rounding calculator to round a number to the nearest multiple. You can round a number up or down to the nearest 2, 4, 5, 10, 50, etc. You can also round to the nearest tenth, hundredth, thousandth, etc. multiple in a decimal place.