Green chemistry and sustainability are the focus of a unit module that asks young scientists to use the Twelve Principles of Green Chemistry to assess how green a product’s chemicals, reactions, or processes are. Class members engage in...

A collection of 26 videos provides young chemists with help with concepts and topics that many find confusing. The narrator offers  clear explanations, practical advice, and uses multiple examples to ensure understanding. Great for ...

Elementary mathematicians will have a blast with these Halloween worksheets! Kids practice ordering decimals, divide word problems, and multiply equations that help create a pumpkin. 

Eighth-graders use knowledge of geometry to examine irrational numbers in a 25-part math module. Included are twenty-three lessons that offer direct instruction, guided and independent practice, as well as opportunities for collaborative...

Twenty-one lessons and two exams make up a math unit all about decimal operations and division of fractions. By way of direct instruction, discussion, guided practice, collaborative learning, and independent practice scholars solve...

An 18-part math module focuses on place value and decimal fractions. Fifth graders compare, round, multiply and divide by powers of 10 using their knowledge of place value. They rewrite and compare decimals, and solve word problems. A...

Twenty-nine lessons make up a unit designed to boost sixth-graders' math skills. Working on ratios and unit rates, mathematicians go through a variety of centers to create, write, and model ratios. They convert between fractions,...

Use these Halloween-themed worksheets to help your mathematicians practice ordering decimals to the thousandths place. Witches on each worksheet make them extra festive!

Give math instruction a boost with a collection that focuses on working with equivalent fractions, decimals, and percents—brought to you by Virtual Math Girl. Here you will find a teacher video, student video, activities, supplemental...

Study Jams! resources provide different videos and practice problems to focus on a topic. This collection has a variety of different fraction, decimals, and percent videos that each focus on something a little different. Because the...

Pretending our world doesn't have cell phones to do calculations, class members need to learn the skills of decimals. Each video, brought to you by LearnZillion, demonstrates a different operation—adding, subtracting, and multiplying.