Students derive the six trigonometric functions. In this trigonometry lesson plan, students show their understanding of trigonometric functions as they relate the right triangles. They find the missing angles and side use trig ratios of...

Students apply the properties of a right triangle. In this triangle instructional activity, students describe and compare radians to degrees. They solve problems using the properties and ratios of a right triangle.

What an impressive task it is to make dental impressions! Pupils learn how dentists use proportional reasoning, unit conversions, and systems of equations to estimate the materials needed to make stone models of dental impressions....

Scholars investigate levels of nitrogen dioxide in the Pacific Northwest by examining the role of nitrogen in air pollution and how remote sensing can be used to measure nitrogen levels. An Excel spreadsheet calculates the difference...

In this algebraic equations worksheet, 6th graders solve and complete 9 different word problems that include various types of equations. First, they find consecutive even numbers and write an equation to solve. Then, students write a...

Students investigate the side splitter theorem. In this geometry lesson, students estimate and solve problems dealing with ratios and proportions. They identify angles created by lines that are parallel.

Students explore the surface area to volume ratio in cellular respiration. While participating in an interactive lab experiment, they examine proportional surface area and discuss nanotechnology. Students observe the effectiveness of...

Students practice identifying points on a coordinate plane, creating charts, and calculating ratios. In groups, students play a "battleship" game where they determine the location of their own fleet and attempt to find the location of...

Students interpret the stock market. They pick preferable stocks based on price to earnings ratios listed in the quotes. They practice using fractions and decimals to calculate the cost of selling and buying various stocks using...

Students examine Holocaust memorials to discover expressive power of shapes, practice creating simple geometric shapes or forms, and practice calculating ratios, area, and/or volume.

In this conversion worksheet, students fill in 10 blanks, determine if 5 statements are true or false, and match 3 terms with the appropriate definitions. Students answer questions about conversions factors and their equivalences,...

This is an integrated instructional activity that incorporates Social Studies, Science, and Mathematics. In Social Studies, 7th graders complete an online interview and complete an online worksheet about latitude of sites on the Anza...

In this math worksheet, students review integrating factors for linear equations. Then they read about the definition and solving of homogeneous equations.

In this exponent worksheet, students add numbers written in exponential notation. They identify the base and the exponent. This two-page worksheet contains examples, definitions, and nine problems to solve.

Students identify missing sides and angles. In this geometry lesson, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.

Students explore the concept of similarity and congruence. For this similarity and congruence lesson, students identify and verify whether or not two figures are similar, congruent, or neither. Students use postulates and theorems such...

Students explore the concept of similarity and congruence. In this similarity and congruence lesson, students cut out strips of paper and form a triangle. Students try to prove that their triangles are congruent using the SSS theorem of...

Third graders brainstorm a list how they use measurements everyday. Using string, they cut a piece long enough as their height and complete ratios using their arms and legs about old tales about measurements. They compare and contrast...

Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...

Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...

In this math instructional activity, students solve three digit addition problems. Some of the addition problems require regrouping. The problems are set up to solve vertically.

Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...

Create trigonometric functions from circles. The first lesson of the module begins by finding coordinates along a circular path created by a Ferris Wheel. As the lessons progress, pupils graph trigonometric functions and relate them to...

Steel is an example of homogeneous mixture, also called an alloy, which is made of iron and carbon. The presentation introduces learners to elements, compounds, and mixtures. They explore their similarities and differences, and then take...