Newspaper Association of America
Power Pack: Lessons in Civics, Math, and Fine Arts
Newspaper in Education (NIE) Week honors the contributions of the newspaper and is celebrated in the resource within a civics, mathematics, and fine arts setting. The resource represents every grade from 3rd to 12th with questions...
Curated OER
Rational Number Project
Infuse your unit on fractions, decimals, and operations with a thorough module about rational numbers. With a teaching guide, learner examples, templates for instruction, and lesson rationale, the module is a solid way to...
Schoolcraft College
Trigonometry
This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...
National Security Agency
Are You Game? A Lesson Connecting Fractions and Probability
Exactly how fair are the board games children grow up playing? Young mathematicians investigate this questions as they work their way through this five-lesson series on basic probability. 
Beyond Benign
Got Gas
How much gas does it take to drive around town? The class uses a variety of mathematical procedures to take a look at the use of gas for transportation. Class members use a different unit to determine the cost of driving a car as opposed...
NASA
Space-Based Astronomy on the Internet
Young scientists compile everything they have learned into a report in the fifth and final lesson in a unit on the visible light spectrum. Access to photos from observatories, telescopes, and satellites allows learners to compare...
Saddleback College
Algebra2go: Order of Operations Problem Sets
This resource has three sets of problems. Each set has six questions for evaluating mathematical expressions using ordering of operation. Select a problem set, then select a question. Fill in the blank with the correct answer for each...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
E-learning for Kids
E Learning for Kids: Math: Fashion Store: Sharing & Division
Sarah's mum runs a fashion store. Join Sarah and play some fun math games in the clothing store.
AAA Math
Aaa Math: Place Value Expanded Form
You'll find an explanation of place value in expanded form in this lesson. There is also an interesting game that helps to show place value.
AAA Math
Aaa Math: Estimating a Difference
This lesson explains how to estimate differences between whole numbers. Gives practice and games to practice this skill in a helpful and fun way.
AAA Math
Aaa Math: Rounding Numbers to the Nearest Ten
This site explains how to round whole numbers to the nearest ten. The information on the site gives exercise problems and games to practice this skill in a fun and helpful way.