Activity
Texas Instruments

Texas Instruments: Skip Counting 2/8, 4/8, 6/8, 8/8, Who Do We Appreciate This

For Teachers 6th - 8th
In this activity, students investigate skip counting to complete patterns with fractions. They also develop skills to add fractions.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Salad Dressing

For Teachers 4th - 8th Standards
The purpose of this task is to have students add fractions with unlike denominators and divide a unit fraction by a whole number. This accessible real-life context provides students with an opportunity to apply their understanding of...
Website
PBS

Pbs Learning Media: Several Short Rails Make More Than a Whole

For Students 3rd - 8th
In this video segment from Cyberchase, Hacker has sabotaged another section of the Madre Bonita Express track; Digit gets help from Deci in adding decimals to find the right size rail that will repair the track.
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Khan Academy

Khan Academy: Add and Subtract Mixed Numbers (No Regrouping)

For Students 4th
Practice adding and subtracting mixed numbers with common (like) denominators.
Handout
The Math League

The Math League: Decimals, Whole Numbers and Exponents

For Students 4th - 8th
This tutorial has definitions and examples of decimals, whole numbers, and exponents. In addition, a variety of topics are covered, such as comparing, multiplying and subtracting.
Lesson Plan
Better Lesson

Better Lesson: Unit Closure

For Teachers 6th Standards
What is going on in the problem? What are you trying to figure out? What kind of model could you create for this problem? Students apply the skills they have learned throughout Unit 4.
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That Quiz

That Quiz

For Students 3rd - 8th
ThatQuiz is an excellent assessment tool for teachers and students. At this site, teachers can create individualized or group assessments on a variety of math topics. Students take these practice assessments directly online and receive...
Unknown Type
Khan Academy

Khan Academy: Practice: Add Fractions With Common Denominators

For Students 3rd - 4th
In this exercise, questions provide practice with adding fractions with common denominators. Immediate feedback is given and hints or a video are available if needed.
Unknown Type
Khan Academy

Khan Academy: Add and Subtract Mixed Numbers (No Regrouping)

For Students 3rd - 5th Standards
Practice adding and subtracting mixed numbers with common (like) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Add & Subtract Mixed Numbers With Unlike Denominators (Regrouping)

For Students 5th
Practice adding and subtracting mixed numbers with different denominators. Regrouping required.
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McGraw Hill

Glencoe: Self Check Quizzes 1 Estimating Fraction Sums and Differences

For Students 3rd - 8th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of estimating sums and differences. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
Unit Plan
PBS

Pbs: The Lowdown: A Rhythm Etic

For Students 6th - 8th
Rock out to a musical demonstration of math involved in constructing rhythms from groups of beats in this video from KQED. In the accompanying classroom activity, students consider how the note durations comprising a measure in 3/4 time...
Article
Family Education

Family Education: Math

For Teachers Pre-K - 1st
This site provides 60-75 math tools designed to help students with basic math skills, such as adding, fractions, and bar graphs. Spanish versions of 10-15 of the printables are provided as well, including several with letters for parents...
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...
Unit Plan
Khan Academy

Khan Academy: Combining Like Terms With Rational Coefficients

For Students 6th - 8th Standards
Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
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Khan Academy

Khan Academy: Add/ Subtract Mixed Numbers W Unlike Denominators (No Regrouping)

For Students 5th
Practice adding and subtracting mixed numbers with different denominators. No regrouping required.
Unknown Type
Khan Academy

Khan Academy: Combining Like Terms With Rational Coefficients

For Students 9th - 10th
Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions.
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.
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,...
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Khan Academy

Khan Academy: Subtracting Fractions With Common Denominators

For Students 3rd - 5th Standards
In this exercise, students practice subtracting fractions with common denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unit Plan
Khan Academy

Khan Academy: Subtract Fractions With Common Denominators

For Students 3rd - 5th
Solve a subtraction problem with two fractions with like denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Practice: Subtract Fractions With Common Denominators

For Students 3rd - 4th Standards
In this exercise, questions provide practice with subtracting fractions with common denominators. Immediate feedback is given and hints or a video are available if needed.

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