Lesson Plan
Curated OER

Trigonometric Functions of Acute Right Triangles

For Teachers 9th - 11th
Learners derive the six trigonometric functions. In this trigonometry lesson, students show their understanding of trigonometric functions as they relate the right triangles. They find the missing angles and side use trig ratios of sine,...
Lesson Plan
Curated OER

Applications of Triangles

For Teachers 9th - 11th
Students apply the properties of a right triangle. In this triangle activity, students describe and compare radians to degrees. They solve problems using the properties and ratios of a right triangle.
Assessment
Curated OER

Dental Impressions

For Teachers 7th - 10th Standards
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....
Activity
Teach Engineering

Air Pollution in the Pacific Northwest

For Teachers 6th - 8th Standards
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...
Worksheet
Curated OER

Solving Algebraic Equations

For Students 6th
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...
Lesson Plan
Curated OER

Side Splitter Triangles

For Teachers 8th - 11th
Students investigate the side splitter theorem. In this geometry activity, students estimate and solve problems dealing with ratios and proportions. They identify angles created by lines that are parallel.
Lesson Plan
Curated OER

Does Size Matter?

For Teachers 9th - 10th
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...
Lesson Plan
Curated OER

Plotting Coordinates on a Cartesian Plane

For Teachers 7th - 11th
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...
Lesson Plan
Curated OER

The Stock Market-Tracking and Picking Stocks

For Teachers 7th - 8th
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...
Lesson Plan
Curated OER

A Holocaust Monument

For Teachers 3rd - 9th
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.
Worksheet
Curated OER

Conversion Problems

For Students 9th - 12th
In this conversion activity, 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,...
Lesson Plan
Curated OER

Anza and Font in Search of Latitude

For Teachers 7th
This is an integrated lesson 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 trail. In Science...
Worksheet
Curated OER

Worksheet 5

For Students 11th - Higher Ed
In this math worksheet, students review integrating factors for linear equations. Then they read about the definition and solving of homogeneous equations.
Lesson Plan
Curated OER

Arithmetic and Exponents - Week 1

For Teachers 9th - 10th
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.
Lesson Plan
Curated OER

Triangle Side Lengths and Angles Measures

For Teachers 9th - 10th
Students identify missing sides and angles. In this geometry instructional activity, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.
Lesson Plan
Curated OER

Similarity and Congruence

For Teachers 9th - 12th
Young scholars explore the concept of similarity and congruence. In this similarity and congruence instructional activity, students identify and verify whether or not two figures are similar, congruent, or neither. Young scholars use...
Lesson Plan
Curated OER

Similarity and Congruence

For Teachers 9th - 12th
Pupils explore the concept of similarity and congruence. In this similarity and congruence lesson, students cut out strips of paper and form a triangle. Pupils try to prove that their triangles are congruent using the SSS theorem of...
Lesson Plan
Curated OER

Measurements

For Teachers 3rd
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...
Lesson Plan
Curated OER

Properties of Fractals

For Teachers All
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...
Lesson Plan
Curated OER

Properties of Fractals

For Teachers 6th - 8th
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...
Worksheet
Curated OER

Three Digit Addition

For Students 1st - 2nd
In this math activity, students solve three digit addition problems. Some of the addition problems require regrouping. The problems are set up to solve vertically.
Unit Plan
2
2
Mathematics Vision Project

Quadratic Equations

For Teachers 10th - 12th Standards
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...
Unit Plan
Mathematics Vision Project

Module 6: Trigonometric Functions

For Students 9th - 12th Standards
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...
PPT
1
1
Normal Community High School

Classification of Matter

For Teachers 9th - 12th Standards
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...