Unit Plan
Khan Academy

Khan Academy: Dividing Unit Fractions by Whole Numbers Visually

For Students 4th - 6th Standards
Practice dividing unit fractions by whole numbers with visual models. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
University of California

Uc Irvine: Egyptian Fractions

For Students 9th - 10th
An introduction to the way the ancient Egyptians wrote fractions, along with a more sophisticated look at the process of converting modern fractions to Egyptian form. Contains a very informative and interesting group of related links,...
Lesson Plan
Disfruta Las Matematicas

Disfruta Las Matematicas: Racciones!

For Teachers 3rd - 8th Standards
This unit could be used as an introduction to fractions. It has good examples.
Website
Cool Math

Coolmath: Pre Calculus Freaky Factoring

For Students 9th - 10th Standards
This CoolMath resource provides a review of factoring polynomials and an introduction to factoring exponents that are fractions.
Activity
Disfruta Las Matematicas

Disfruta Las Matematicas: Porcentajes!

For Students 3rd - 8th
This unit could be used as an introduction to percent. It has good examples.
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...
Activity
NumberNut

Number Nut: Division

For Students 3rd - 5th Standards
An introduction to the concept of division, with an explanation of how it relates to fractions and decimal numbers. Includes links to practice activities.