Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Dividing Mixed Numbers

3rd - 8th Standards
This video expains how to divide two mixed numbers and write the answer as a mixed number. Practice problems are available. [2:40]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Repeating Decimals to Fractions 2

9th - 10th Standards
This video explains how to convert a repeating decimal with more than one repeating digit to a fraction. Practice problems are available. [9:05]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Decimals and Fractions

6th - 8th
This video shows how to convert a decimal to a simplified fraction. Practice problems are available. [2:42]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Adding Fractions With Different Signs

9th - 10th
This video shows how to add three fractions, one of which has a negative sign. Practice problems are available. [6:22]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Comparing Fractions 2

3rd - 8th Standards
This video shows how to compare two fractions using a several methods. Practice problems are available. [7:08]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Adding and Subtracting Fractions

3rd - 8th Standards
This video shows how to add and subtract fractions with like and unlike denominators. Practice problems are available. [9:49]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Multiplying Fractions

3rd - 8th Standards
This video explains how to multiply two fractions and simplify the answer. Practice problems are available. [2:26]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Repeating Decimals to Fractions 1

6th - 8th Standards
This video explains how to convert a repeating decimal to a fraction. Practice problems are available. [4:03]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Number as Decimal, Percent, Fraction

6th - 8th
This video explains how to represent a percent as a decimal and as a fraction. Practice problems are available. [3:32]
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Converting Fractions to Decimals

6th - 8th Standards
This video shows how to convert from a fraction to a decimal and from a decimal to a fraction. Practice problems are available. [9:23]
Instructional Video
Khan Academy

Khan Academy: Decimals and Fractions: Decimals and Fractions

6th - 8th
This video shows how to convert a decimal to a simplified fraction.
Instructional Video
Khan Academy

Khan Academy: Equivalent Fractions: Fractions in Lowest Terms

3rd - 8th Standards
This video explains how to simplify a fraction to lowest terms.