Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the instructional activity uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a...

Get three planes to line up safely. Individuals work through a set of problems to eliminate spacing conflicts between three airplanes in flight. The pupils use their knowledge to change the airplanes' speed or route to meet a...

An excellent lesson that encourages students to discover how complex figures can be broken into simpler shapes when measuring area. Working with block letters, learners are given the freedom to develop their own strategies for...

If Microsoft wanted to take over Apple, how many shares would they need to break even? This is an ideal task for seventh graders who are studying proportional relationships and applying them to real-world scenarios. Use it as an...

There is no substitute for checking the solution. A short introduction to the substitution method of solving systems of equations is an ideal resource for algebra classes. The slides present steps for the substitution method and...

How do you show that something is a rectangle? This activity starts with four coordinate points and asks young geometers to explain whether they create a rectangle. Knowledge from both geometry and algebra come into play here, as well...

How can math help your vehicle run better? Complete an interesting project-based learning task with your classes to determine the cheapest approach to mixing the ideal octane level of gasoline. Scholars create and solve a system of...

Scholars learn about kinetics and buffers as they use qualitative and quantitative methods to understand enzyme rates and buffer capacity. The application of Beer's Law and spectrophotometry solidifies pupils' knowledge in the first of...

Biologists extract the DNA from a strawberry. After completing the procedure, learners write answers to a few questions on the lab sheet provided. This is ideal lab practice during a DNA unit in your general biology course. 

Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...

More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...

Looking for the best inclined plane for the job? Groups calculate the theoretical mechanical advantage for four different inclined planes. They determine the actual mechanical advantage by measuring the amount of force needed for the...

Let's build a castle! Dennis and Cody have big plans, but do they have enough blocks between the two of them to accomplish their goal? A great context that requires students to add and compare mixed numbers. Encourage the use of pictures...

Here is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...

Students create a presentation for other class members or for a local citizens' group explaining how they can guard ensure voter rights. Students research the Ohio Secretary of State's stand on provisional voting rules.

High schoolers research zoning laws in their own communities through literature, Web and interviews, identify retailers attempting to build in your community, find out what kind of outlets have been built in nearby areas, explore ways...

Students interview police and city officials, find out what makes these places dangerous. Students develop a plan to get the city or county or state +++ whichever is in charge of these spots to make changes that would make them safer for...

Students participate in group discussion to problem solve. For this group discussion lesson, students exchange information, opinions and ideas in one of several types of discussion formats. Lesson format works for different...

Learners take part in a variety of measurement tasks. Students measure the length of a slinky. Learners work out how many slices of tomato will fit around the edge of a pizza. Students measure the label from a can accurately.

High schoolers use study guides and videos to discuss the positive and negative impacts of white-tailed deer populations. For this wildlife management lesson, students view slides and discuss the natural history and value of deer as a...

Students collects survey data from their community on air pollution. In this environmental science lesson plan, students consider the opinion of the community on air pollution and create a plan to reduce it.  Students plan on...

Problem-solving skills are important to learn in the 21st-century classroom. This brief article lists three tools by Edward De Bono that can help you develop good problem-solving skills.