This extensive collection of slides begins with diagrams of molecules undergoing evaporation, progresses through methods of measuring pressure, demonstrates how to perform pressure calculations, and then explores the temperature-pressure...

Perfect for younger elementary learners, this slide-show uses images of unifix cubes to show the process of subtraction. There is a complete example and five practice problems learners can complete as you progress through the resource.

What's so great about the number eight? Novice counters explore this digit through four distinct activities. First, they trace the numeral three times before printing on their own. Next, they examine three houses with kids peeking out...

Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.

Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to...

See what you cannot see by getting a little creative. An intriguing lesson has learners use lasers to explore X-ray diffraction. Given a box with unknown structures, they shine a laser through the box and interpret the results....

If you wear two sets of sunglasses, do you get twice the darkness? Pupils explore an enlightening topic using a video and math model. They discover how to extend the topic through a sequel video and challenge question.

George Bailey learns that it truly is a wonderful life when he discovered how many lives he has touched—not to mention how many new generations of lives the story touches every year. A study guide on It's a Wonderful Life ...

Cuisenaire Rods give learners an excellent strategy as they learn about multiplication. How many ways can they make the same product? Using a target product, learners lay out rods to achieve that number through various...

Scholars time each other as they work through a sheet of all 26 letters. They test each other to see how many letters sounds they can identify in one minute.

Here's a 32-count line dance to the song "Disturbia" by Rihanna. This dance introduces the triple-step. It's a quick right-left-right or a quick left-right-left step. It's not complicated. The really nice thing about this instructional...

How many times did it take Thomas Edison to invent a successful working lightbulb? Young learners read a short passage about this famous inventor and his determination in getting an idea to work successfully. Then, pupils respond to four...

Double the fun — calculate two measures of deviation. The lesson plan provides information to lead the class through the process of calculating the mean absolute deviation and the standard deviation of a data set. After learning how to...

Did you know scientists can tell the age of an asteroid by looking closely at its craters? This final lesson of a six-part series focuses on two asteroids, Gaspra and Ida, in order to demonstrate the concept of dating asteroids. Scholars...

There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...

After reviewing the process of finding the mean, median, mode, and average of a given data set, learners work through several practice problems. There are five problems related to mode, and five related to finding the mean. Great as...

Here is a great learning task that focuses on the development of areas in computational fluency including strategies in mental math. Young learners are guided through a list of addition expressions that help them visually understand the...

Before honoring courageous veterans, get to know more about who they are and why November 11th is a special day. Scholars obtain such information through a read aloud of Eve Bunting's The Wall, grand conversation, and...

Good advertisers can make mathematics seem irrelevant. Teach your classes to use math to see through these tactics and make good decisions. The posed task has pupils analyze sweepstakes statistics to determine and compare the cost of...

Students explore where electricity comes from and how it is used in their everyday lives. Through discussion and hands-on activities, they define electricity and explain how it travels to our homes. Students make informed choices based...

Learning how to multiply is the focus of this math resource. The first of five pages reviews the multiplication process as repeated addition. The second provides a few examples that you might consider working through with the class. An...

In "The Nature of Covalent Bonding," chemistry hopefuls demonstrate an understanding of various types of covalent bonds, electron configuration, and resonance structures through fill in the blank, true or false, and matching questions....

Many math concepts are covered through this resource: percentages, decimals, ratios, exponential functions, graphing, rounding, order of operations, estimation, and solving equations. Colorful worksheets and a link to a Google search for...

Class members demonstrate a proficiency with conditional probabilities through this task. Individuals calculate probabilities using multiplication and addition. They also distinguish between repetition and non-repetition while...