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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: Estimation

For Students 5th - 7th Standards
Estimate the sum and difference by rounding whole numbers and decimals.
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
Interactive
Shodor Education Foundation

Shodor Interactivate: Fraction Four

For Students 6th - 8th Standards
Students play a generalized version of connect four, gaining the chance to place a piece after simplifying fractions, converting fractions to decimals and percentages, and answering algebra questions involving fractions. Choose...
Lesson Plan
Better Lesson

Better Lesson: College Project Wrap Up

For Teachers 6th - 8th
What have students learned about college? What questions do they still have? Students work on wrapping up and reflecting on the College Project while tackling math problems. This lesson includes a detailed plan, printable worksheets,...
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...
Interactive
Mangahigh

Mangahigh: Number: Round Using Decimal Places

For Students 5th - 7th Standards
Round to nearest designated decimal place.
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.
Unknown Type
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.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Quotients Using Zero Placeholders

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Divide decimals by whole numbers using zero placeholders.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Subtraction

For Students 6th - 7th Standards
[Free Registration/Login may be required to access all resource tools.] Find the difference of decimals by subtracting vertically.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Front End Estimation Grade 6

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences of decimals using front-end estimation.
Interactive
CK-12 Foundation

Ck 12: Math Grade 4

For Students 4th
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Activity
Other

Dan's Math: Basic Skills Topics

For Students 9th - 10th Standards
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
Activity
Other

Basket Math Interactive

For Students 9th - 10th Standards
Explore more than twenty math concepts such a perimeter, rounding, exponents, decimals, sign numbers, and more using this interactive basketball game. A Spanish version is also offered. Students results are tabulated daily.
Activity
Texas Instruments

Texas Instruments: In Round Numbers

For Teachers 6th - 8th
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.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Addition

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Add decimals with and without rounding
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Subtraction

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

Hopelink: Teaching Percentages

For Teachers 9th - 10th
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Lesson Plan
Alabama Learning Exchange

Alex: Are Your Numbers Round?

For Teachers 3rd - 5th
Students will use a variety of activities and games to learn how to round numbers.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
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.
Activity
Texas Instruments

Texas Instruments: Walking the Fence Line

For Teachers 6th - 8th
In this activity, students use the Geoboard to determine the perimeter of polygons. They learn to picture square roots visually as the side length of a square.
Interactive
Mangahigh

Mangahigh: Number: Deal With Remainders

For Students 5th - 7th Standards
Round money to nearest whole dollar amount.

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