Interactive
ABCya

Ab Cya: Rounding Numbers

For Students 3rd - 6th Standards
Soccer Math: Rounding provides a fun way for kids to practice rounding numbers. There are three different levels of difficulty: 1.Tens & Hundreds 2.Tens, Hundreds & Thousands 3.Tens, Hundreds, Thousands & Decimals Get five...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Comparisons Without Rounding

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Compare and order decimals without using rounding.
Interactive
Mangahigh

Mangahigh: Number: Round Decimals

For Students 4th - 6th Standards
Yest your knowledge of rounding numbers and decimals.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Baseball: Fractions and Decimals

For Students 3rd - 5th Standards
Explore fractions and decimals with Tony at the baseball field through these leveled learning exercises.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Division

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Divide decimals with and without rounding
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...
Interactive
Mangahigh

Mangahigh: Number: Estimates and Approximations

For Students 4th - 6th Standards
Estimate numbers by rounding whole numbers and decimals.
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
Khan Academy

Khan Academy: Estimating With Adding Decimals

For Students 4th - 6th Standards
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.
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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Rounding to Nearest 3 Decimal Places or Thousandths Place

For Students 4th - 5th Standards
[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]
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Rounding to the Nearest Decimal Place or the Tenths Place

For Students 3rd - 5th Standards
[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]
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
AAA Math

Aaa Math: Estimation

For Students 4th - 6th
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...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Commutative Property of Addition With Decimals

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Identify and apply the commutative and associative properties of addition in decimal operations
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 use leading digits to estimate decimal products and quotients. Students examine guided notes, review guided practice, watch instructional...
Activity
Beacon Learning Center

Beacon Learning Center: Let's Go Shopping

For Students 4th - 6th Standards
Students can practice estimation by rounding decimal numbers to the nearest dollar.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.ns Calculating and Rounding Numbers

For Teachers 8th
For this task, 8th graders investigate how numbers are rounded when using a calculator and what effects this can have. Aligns with 8.NS.A.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Fraction Rounding to the Nearest Half

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Round given fractions to the nearest half.
Unknown Type
BBC

Bb Ci: Review Significant Digits

For Students 9th - 10th Standards
BBCi presents a test prep review ("revision") section on significant digits and on approximating an answer by rounding in order to work with an easy number. Click on "Test Bite," on the last page to get an interactive quiz.
Interactive
Mangahigh

Mangahigh: Number: Round to the Nearest Tenth, Hundredth and Thousandth

For Students 5th - 7th Standards
Test your kowledge of rounding to the nearest tenth, hundredth, and thousandths place.
Interactive
Mangahigh

Mangahigh: Number: Recognize Tenths and Hundredths

For Students 5th - 7th Standards
Order, convert, and round decimals to the tenths and hundreths place.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimals

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Use number properties in decimal operations
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...

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