In this multi-day activity, 3rd graders make 3 different models of an orphanage floor plan using Google Drawing, Virtual Graph paper, and a construction of rectilinear shapes, to calculate the area of each room using units square.

Students work through an online turorial on the topic of approximation and then take a ten question quiz that increases in difficulty as the problems progress.

This site is a wonderful exercise for students with a Calculus base. The site gives an interactive drawing of a vase where the measurements of the diameter of the vase are at any point. The student then finds the volume using calculus....

For this activity, learners measure the displacement and elapsed time of a moving toy car using a direct measurement video with an embedded frame counter. They then calculate average and final velocity, and the average acceleration, and...

For this activity, students learn about conservation of mechanical energy as they measure the velocity of a girl jumping on a trampoline using a direct measurement video with an embedded frame counter and ruler.

Practice using your graphing calculator for constructing a parallelogram, a rhombus, a kite, a trapezoid, an isosceles trapezoid, a rectangle, and a square. If you get stumped or if you would like to check your work, then select the View...

This instructional activity will give students practice with adding and subtracting money using a calculator. It will provide them an opportunity to determine savings using a store coupon, and determine the change they should recieve...

This is an online scientific calculator! Just type as if you were using a handheld calculator. Includes trigonometric functions, degrees, radian modes and other useful functions.

Calculate GCF, GCD, and HCF of a set of two or more numbers and see the work using factorization. An interactive calculator, explanations, and examples are included.

An experiment to identify an unknown diprotic acid using a CBL system. A brief discussion of diprotic acids is given.

An activity for students to test their understanding of time as they plan a trip to work.

These WyzAnt online graphing utilities help you calculate just about anything in algebra, including solving linear and quadratic equations to factoring polynomials. This a great tool for checking homework.

Disease is a breakdown in structures or functions of an organism. Some diseases are the result of damage by infection by other organisms. In this lesson students read an essay, "It's All in the Numbers," about the rapid spread of HIV...

A 3-day field investigation where students visit an aquatic area and collect snails. These are examined, the species identified, and the body parts and characteristics studied and recorded. Then the snails are returned to their homes....

Young scholars will use Vernier motion detector and Logger Pro software to first discover if air resistance of an industrial size coffee filter is a vtm or vt2m relationship (vt = terminal velocity). Once this relationship is found it...

This site has a calculator that uses only Roman Numerals! There is also an explanation of the number symbols for reference.

In this activity, Students can use a Force Sensor to measure the force needed to lift an object and the force needed to pull the same object up an inclined plane. They will also calculate work done and efficiency and make conclusions.

Students create a logical method to estimate the number of students in their building, collect data, and calculate an estimated student population to better understand wildlife population count methods.

Use this interactive tool to find the volume of a pyramid. Try different figures for the height and the base to see how these affect the volume. Properties of pyramids are explained, how to calculate the volume using a formula, what an...

In this activity, students calculate temperatures during a time in the geologic record when rapid warming occurred using a well known method called 'leaf-margin analysis.' Students determine the percentage of the species that have leaves...

Use the calculator to find the surface area and volume of a square pyramid, then click on the link to see an explanation with examples.

Practice using your graphing calculator for operation and expression problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.

Students keep track of their own water usage for one week, gaining an understanding of how much water is used for various everyday activities. They relate their own water usages to the average residents of imaginary Thirsty County, and...

A lesson plan with an accompanying PowerPoint learning module for students where they learn about the volcanic features of Yellowstone National Park. They use spreadsheets to make various calculations, such as the volume of material...