In this chemical compounds worksheet, students write the name of compounds from their chemical formula, balance equations, write electronic configurations for elements, and draw Lewis dot structures. This worksheet has 8 fill in the...

Students create a Holocaust memorial. In this interdisciplinary lesson, students use geometric shapes or forms to create a Holocaust monument.

Students explore the concept of probability. In this probability lesson, students use a applet that demonstrates chaos and probability of spread for a forest fire. Students also play applets about the Game of Life and Rabbits and Wolves,...

Students solve probability problems. In this fraction and probability activity, students review how to simplify fractions and learn how to express probability as a fraction.

Students investigate probability.  In this fourth through sixth grade mathematics lesson, students collect, organize and display data in an appropriate chart or graph as they calculate and apply basic probability. 

In this Algebra II learning exercise, 11th graders examine the graphs of rational functions, identifying the points of discontinuity and the vertical and horizontal asymptotes.  The three page learning exercise contains explanation...

Students identify the slope of a line. In this algebra lesson plan, students label slopes as positive, negative, zero or undefined. They use the slope formula to find the slope algebraically and graphically.

Students examine how a transformer works and its practical applications.  In this electricity instructional activity students complete several experiments using transformers and generators.

Students examine population growth and how it impacts our environment.  In this population instructional activity students identify the causes and consequences of overpopulation.

Students examine the aerodynamics of a wing and how it generates lift.  In this flight lesson plan students complete several experiments including how to build a paper plane and how airfoils affect performance.

Young scholars perform mathematical operations on complex numbers. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain practice performing operations on complex numbers.

Fourth graders observe air pollution that is visible and invisible with experimentation. During the experiment the students collect data that needs analysis. The observations are recorded in the lab journal. The data also is represented...

Students learn how all living things in an ecosystem are connected in some way. By building their own "web" your class look at energy flow through the food web system and how environmental changes disrupt the system.

In this secondary mathematics activity, students create a crossword review of algebra vocabulary.  The students must determine the correct answer to each clue and then determine the correct placement for the term in the 12 by 12...

A comprehensive guide for learning all about ratios with definitions, ratio scale, ratio meaning, ratio definition, ratio calculator, ratio table, ratio math, ratio formula, solved examples, and practice questions.

Activities and factsheets exploring ratios and proportions in everyday life. Interactive, colorful, and fun.

You can pick up some valuable ratio pointers here. When you finish working your way through the three instructional pages, go on to the Activity for some practice, or take an online "Test Bite" and check your understanding.

The tutorial investigates ratios. Definitions, examples, and a practice problem with solution are included.

[Free Registration/Login may be required to access all resource tools.] Explains mass ratio definition and mass ratio calculations.

Students will investigate patterns to make conjectures about geometric relationships and apply the definition of similarity, in terms of a dilation, to identify similar figures and their proportional sides and congruent corresponding...

Learners explore the concepts of rate and ratio in a variety of problem-solving situations. Worksheets contain definitions and visual representations of concepts. Link to related ratio game. Other skills include measurement, data...

This site introduces students to the definition of golden ratio. It gives them a chance to estimate ratios and predict which figures are closest to the golden ratio. There is a link on this page that provides charts for students to...

A seventh-grade student is having trouble understanding ratios, fractions, and simplest form. Dr. Math to the rescue! Real-world, easy to grasp examples.

Students discover the mathematical constant phi, the golden ratio, through hands-on activities. They measure dimensions of "natural objects"--a star, a nautilus shell and human hand bones--and calculate ratios of the measured values,...