Students form definitions of the greenhouse effect based on prior knowledge, class discussion, viewing diagrams, and participate in group brainstorming sessions and class discussions related to the impact of the greenhouse effect and...

Students explore the science and sport of scuba diving. In this scuba diving instructional activity, students build Cartesian divers and observe their behavior under water pressure.

Students explore conservation of the Great Lakes. In this geography and ecology lesson, students identify the Great Lakes on a map and view a video depicting the history and importance of these lakes. Students work in groups to research...

Students examine federalism and judicial review. In this Supreme Court lesson, students examine primary documents from Marbury v. Madison and discuss the implications of the decision.

In this current events instructional activity, students analyze political cartoons about the 2006 American mid-term elections. Students then respond to 3 short answer questions.

Students bring in their own article about immigration and how it is affecting their community. They summarize their article and brainstorm reasons why someone would immigrate to another country. They discuss push and pull factors.

Students analyze the internal and external causes of the Meiji Restoration. They look at the goals and policies of the state and their impact on Japan's modernization. Students also assess the impact of Western ideas on Japan and realize...

In this multi-step equations worksheet, high schoolers solve 10 short answer problems. Students solve multi-step equations using the distributive property, simplifying like terms, and isolating the variable.

In this math worksheet, students convert standard measurements. Students give the equivalent of the standard measurements. Hints are given if needed.

In this math worksheet, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.

In this math worksheet, students subtract mixed numbers. Students find common denominators. They subtract the fractions and whole numbers.

In this Math learning exercise, learners multiply fractions and write their answer in simplest form. Students are given 9 problems to practice the skill.

In this interactive rounding instructional activity, 4th graders practice rounding decimals to the given place value. There are 10 rounding problems to complete.

In this Algebra I learning exercise, 9th graders convert percentages to decimals and fractions. The one page interactive learning exercise contains ten problems. Answers and a hint are provided. 

In this algebra worksheet, students answer the question to what percent of a given number is a given number by setting up a percent proportion. There are 10 questions.

For this online worksheet, middle schoolers will solve 10 problems involving percents. Answers can be accessed by clicking hint or check.

Students will use the distributive property to simply expressions by removing parentheses from the expression. Like terms will then be combined to completely simplify the expression.

In this factoring binomials activity, students examine problems containing the difference of squares.  They factor binomial equations.  This one-page activity contains 15 problems.  Answers are provided.

In this online math worksheet, students perform calculations which allow them to identify 3 types of angles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...

In this angles activity, students find the measurement of missing angles.  They identify complimentary, supplementary and vertical angles.  This one-page activity contains 4 problems.  Answers are provided.

In this online interactive worksheet, students determine the missing length of a geometric shape and then check their answers.

In this online math worksheet, students practice finding the area of a trapezoid, given the height and length, This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...

For this area of shapes worksheet, students determine the area of equilateral triangles, acute triangles, and compound figures. This one-page worksheet contains 3 multi-step problems.  Answers are provided with this interactive...

For this area worksheet, students calculate the area of four figures that each include circles.  Students can check their answers and get hint by clicking on the "Check" or "Hint" button at the bottom of the page.