The expression "K-12" is a shortening of Kindergarten through 12th grade.

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Math Investigations 2-pack  VIDEO
Your students will be amazed at the lessons a simple pizza can teach them! Learn basic math and math concepts with this two-video set.

Math: Kids & Cash 2-pack  VIDEO
What Is It Worth? — Travel around the world to explore trade, the history of money, and the notions of trade, value, and price. It's as Good as Gold — Take a look at how and why people value gold, from the early explorers to the prospectors during the California Gold Rush. Minting Money — First see how many pennies, nickels, dimes, and quarters make up one dollar. Then visit the U.S. Mint in Philadelphia and watch as quarters are designed, cut, stamped, and shipped. Printing Money — Money doesn't grow on trees; it's printed on special paper made from linen and cotton. Money In Other Countries — Travel to Japan and learn about the yen.

Money: Bucks, Banks, & Business  VIDEO
Part 1: Learn about the fascinating history of money, where and how money is made, and what determines its value. Visit the U.S. Mint in Philadelphia. Then walk through the Bureau of Printing and Engraving in Washington, D.C., where you'll watch money being printed and meet people who engrave monetary plates. Part 2:Get a close-up view of banking that explains the basics principles of personal money management, including how to open an account and descriptions of checks, loans and interest rates.

Ms. Infinity's Math Mansion: Fifth Grade VHS  VIDEO
This zany character challenges fifth grade students to apply skills and concepts that cover all of the NCTM standards. Students will practice fraction, decimal and basic numeration concepts as well as problem solving, reasoning, estimation, and computation.

Ms. Infinity's Math Mansion: First Grade VHS  VIDEO
First graders will be challenged to use appropriate vocabulary, apply strategies for problem solving and data collection, and practice computation and reasoning skills in a stimulating environment.

Ms. Infinity's Math Mansion: Fourth Grade VHS  VIDEO
Fourth grade students engage in activities using fractions, problem solving, data collection, and measurement while being encouraged by Ms. Infinity and her sidecick, CAL.

Ms. Infinity's Math Mansion: Kindergarten VHS  VIDEO
This program provides opportunities for construction and usign mathematical language that is anchored developmentally in NCTM standards.

Ms. Infinity's Math Mansion: Second Grade VHS  VIDEO
Second grade students have opportunities to apply mathematical knowledge, practice strategies, solve problems, estimate and calculate while enjoying an adventure with CAL. Actual activities are all based on NCTM standards.

Ms. Infinity's Math Mansion: Third Grade VHS  VIDEO
CAL will pose problems that require the third grader to practice and apply skills that include data collection, problem solving, measurement, reasoning, and computation.

Patterns, Symmetry, and Beauty  VIDEO
Beauty is in the eye of the beholder they say. So what do people find beautiful, and why? Philosophers and mathematicians from the past and modern-day artists and scientists ponder this question. Composer Wynton Marsalis and model Paulina Porizkova share their thoughts on beauty. While contemplating diverse ideas of beauty, students gaze at awesome paintings, architecture, music, and stunning examples of beauty in the natural world.

Size and Scale  VIDEO
Are size and scale relevant? Do they change according to our perspective? What is the real size and scale of such seemingly intangible things as space and time? Journey with scientists through space and time to explore these concepts.

Teaching Mathematics to Middle School Students with Learning Difficulties BOOK
A highly practical resource for special educators and classroom teachers, this book provides specific instructional guidance illustrated with vignettes, examples, and sample lesson plans. Every chapter is grounded in research and addresses the nuts and bolts of teaching math to students who are not adequately prepared for the challenging middle school curriculum. Presented are a range of methods for helping struggling learners build their understanding of foundational concepts, master basic skills, and develop self-directed problem-solving strategies. While focusing on classroom instruction, the book also includes guidelines for developing high-quality middle school mathematics programs and evaluating their effectiveness.

Tick Tock: All About the Clock VHS  VIDEO
Why is it important to know what time it is? Young students will see that their acivities revolve around "time" This videocassette shows how various types of clocks and watches aid in the understanding of what the numbers on a clock mean, the function of the clock hands, the meaning of seconds, minutes, half hours, and hours. Students will also gain an understanding of how the earth spinning on its axis causes day and night.

Understanding Economics VHS  VIDEO
Students see that money is more convenient than barter, that markets exist where buyers and sellers interact, and that all parties expect to benefit in economic transactions. The program relates economic decisions that students encounter in their own lives to economic decisions faced by families, businesses, and different levels of government.

Understanding: Probability & Odds  VIDEO
Facing the odds goes far beyond gambling and games of chance. Why is it that people are afraid to get on a plane but are not fazed by the drive to the airport? Why do people believe that bad things come in threes? Students travel back in time to study with mathematician Reverend Thomas Bayes, whose work captured the essence of how the human mind makes decisions.

Understanding: Time  VIDEO
Does time travel sound cool to you? Investigate the physics behind this science-fiction idea, and discover how Einstein's theory of relativity fits in. Figure out why humans have cyclical perception of time and how they first marked time. Would we have had an industrial revolution without the clock? Learn about the history of time, and delve into the math and science of this fleeting topic.