How many different ways do mammals move from place to place? An online resource uses animation to show how different mammals move. Learners use a slider to speed up or slow down a variety of mammals. The versatile lesson works as a...

How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...

¿Cómo estás? ¿Estás feliz? ¿Tiene calor? Beginning Spanish speakers practice expressing their physical feelings, state of mind, and confusion with a helpful vocabulary exercise.

A website all about planetary mysteries—it's a one-stop-shop for all things, stars, planets, and space travel. Scholars read an astronomy overview to discover the page's big ideas, then choose from the plethora of resources, including...

How do Supreme Court justices determine which cases to consider? What happens when the Supreme Court decides not to take a case?  The lesson explores important questions and others in the field of criminology. It focuses on the...

We hear a lot about the importance of the rule of law, but most people do not really know what those words mean. The lesson is a webpage that defines the rule of law, explains why it is important in a democratic society and provides...

Some scientists dedicate their lives to researching and protecting endangered species. An online lesson teaches about three scientists around the world who do just that. They learn about spiders, mollusks, and reptiles from North...

The Big Bang Theory is more than a television show. Pupils read how Edwin Hubble observed other galaxies and noticed that the galaxies are moving away from each other. Scholars learn about the idea of the big bang and what happened next...

Rocks and minerals are great on their own, but they also turn into some pretty amazing stuff! An online lesson explains the different types of materials we get from rocks and minerals, including glass, plastic, and coins. An embedded...

Follow along as Stella Stardust interviews the sun. A fun and informative interview provides scholars with information about the sun. 

An interview delves deep into the life of famous astronomer Neil deGrasse Tyson. 

This lesson is about counting by threes from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

This lesson is about counting by fives from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

This lesson is about counting by twos from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

This lesson is about counting by fours from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.

Students practice counting backwards on this interactive lesson from AAAmath.com. This lesson offers the opportunity to learn, practice, play a game, and explore the concept of counting down.

A huge collection of teacher resources for teaching and reviewing counting. There are games, PowerPoint presentations, worksheets, pdf files, Word files, Excel files, Publisher files, and smartboard activities available for download at...

An interactive lesson from aaamath.com. The student can learn, practice, play a game, and explore counting to 100.

Choose from a variety of tasks to practice counting forward beginning from a given number within the known sequence (instead of having to begin at 1).

Students practice counting backward with numbers and words in this interactive lesson from AAA Math. This lesson offers the opportunity to learn, practice, play a game and explore the concept of counting backward with number names and...

Many questions and answers about the Omer. Describes such things as when Jews should begin counting the Omer and what to do if the counting is skipped one night.

This site introduces skip counting by two and provides an opportunity for students to practice the skill.

Students must choose the written number word that comes after the numeral given in this online game from AAAmath.com. This lesson offers the opportunity to learn, practice, play a game, and explore the concept.

The CyberSquad adds decimals to figure out how many rails they need to build a detour that will help them go around a mountain in this Cyberchase video segment.