Students explore the concept of perimeter. In this perimeter lesson plan, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.

Twelfth graders identify the parts of an algebraic equation. They consider the many uses of algebra in daily life. They play a game, Algebra Match, where student pairs work to solve equations listed on index cards.

Students demonstrate fraction symbols. In this fractions lesson plan, students use paper strips to represent various fractions. Students then use fraction circles to compare various given fractions.

In this Geometry instructional (work)sheet, students are instructed on how to find the geometric mean.  Students are then shown how the geometric mean is applied to proving similar triangles.

Students solve problems dealing with percents using "is over of" algorithm.

Student are assigned one of the sections on whole numbers. After reviewing the content, they teach their assigned sections to other class mates. They publish their findings on a PowerPoint slide show to use when they teach their section.

In this diagrams activity, students use diagrams to help them solve fraction word problems. Students complete 4 problems on this activity.

Students use the Internet to gather information on tides and then use this information to determine the period of revolution of the moon around the earth (part 1) and the relative pull of the sun and the moon on the tides (part 2).

Students map data on employment in wood products manufacturing in Oregon counties. In this Oregon forest lesson, students discover the percentage of people employed in the forest manufacturing industry. Students create a box and whisker...

Students create visuals of the effect of a spring scale. In this algebra lesson, students use the navigator to graph the effects created by a spring scale. They draw conclusion from the graph.

After being introduced to the basic trigonometry functions, learners calculate the height of school landmarks. They experiment with different angles to find the correct height.

In this recipe worksheet, students will rewrite a recipe for making 16 biscuits so that it will only make 12 biscuits. Then students will rewrite the recipe to make only 4 biscuits.

In this recipe worksheet, students will rewrite a Halloween cakes recipe that makes 12 cakes, so that it will make 16 cakes. Ingredient amounts are in metric units.

Seventh graders study elapsed time, radioactive decay and half-life.  In this time machine instructional activity students complete several activities and view a presentation. 

Students 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.

Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.

Students locate the many forests located in Oregon. In groups, they use the internet to research employment data on wood products made in the state. They discuss how looking at information presented in a different way can change their...

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

Learn how to use fractions to interpret food labels and make healthy eating choices.

The Math Page tutorial explains and defines ratio and proportion and includes this practice section at the end of the lesson.

The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review ratios and proportions.

A collection of teacher resources to aid in teaching and reviewing ratio and proportion in math. There are worksheets, PowerPoint presentations, activities, and smartboard activities available for the teacher to download.

Provides examples and a video lesson that explains ratios and proportions and shows how to solve them.

A guide to support parents as they work with their students in ratios and proportional relationships.