Math Aids
Math Aids: Rounding
Great resource for learning and practicing rounding numbers. Math worksheets are printable, may be customized, and include answer keys.
AAA Math
Aaa Math: Rounding Decimals to the Nearest Tenth
This lesson from AAA Math explains how to round decimals to the nearest tenth. Gives practice problems and games to test your skills.
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.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Division
[Free Registration/Login may be required to access all resource tools.] Divide decimals with and without rounding
CK-12 Foundation
Ck 12: Arithmetic: Small Decimal Rounding to a Leading Digit
[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...
Mangahigh
Mangahigh: Number: Estimates and Approximations
Estimate numbers by rounding whole numbers and decimals.
Math Aids
Math Aids: Decimals Worksheets
Great resource to practice and strengthen math skills pertaining to decimals. Math worksheets are printable, may be customized, and include answer keys.
Khan Academy
Khan Academy: Round Decimals Using a Number Line
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.
Khan Academy
Khan Academy: Estimating With Adding Decimals
For example, estimate 12.93 + 6.1 to be 19. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Quia
Quia: Decimal and Whole Number Jeopardy
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.
CK-12 Foundation
Ck 12: Elem Math: Rounding to Nearest 3 Decimal Places or Thousandths Place
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to round numbers to the nearest thousandths decimal place. [1:24]
CK-12 Foundation
Ck 12: Elem Math: Rounding to the Nearest Decimal Place or the Tenths Place
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to round numbers to the nearest tenths decimal place. [1:26]
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.
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...
CK-12 Foundation
Ck 12: Arithmetic: Commutative Property of Addition With Decimals
[Free Registration/Login may be required to access all resource tools.] Identify and apply the commutative and associative properties of addition in decimal operations
AAA Math
Aaa Math: Rounding to the Nearest Hundredth
This site explains how to round decimals to the nearest hundredth. This site provides games to practice this skill.
Calculator Soup
Calculator Soup: Rounding Numbers Calculator
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.
CK-12 Foundation
Ck 12: Arithmetic: Small Decimal Rounding to a Leading Digit
[Free Registration/Login may be required to access all resource tools.] In this lesson students use leading digits to estimate decimal products and quotients. Students examine guided notes, review guided practice, watch instructional...
Beacon Learning Center
Beacon Learning Center: Let's Go Shopping
Students can practice estimation by rounding decimal numbers to the nearest dollar.
ClassFlow
Class Flow: Rounding Decimals
[Free Registration/Login Required] The teacher will use this lesson plan flipchart to teach students how to round decimals.
Illustrative Mathematics
Illustrative Mathematics: 8.ns Calculating and Rounding Numbers
In this task, 8th graders investigate how numbers are rounded when using a calculator and what effects this can have. Aligns with 8.NS.A.
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.
NumberNut
Number Nut: Estimate and Round Why Is This Important?
Problem solving will become a little easier when you understand the concepts of estimation and rounding. Explore how these concepts are used in mathematics and real world applications. Detailed examples and links to related games...
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