Curated OER
What's in Wetland Soil?
Students examine the organic and inorganic components of soil. For this environmental science lesson, students identify the factors that influence soil formation. They collect soil samples, conduct tests, and analyze the results.
Curated OER
Shape and Space: Transformations
Students explore transformations. In this mathematical transformations lesson, students define quadrilaterals, convert centimeters to meters, and complete a transformations worksheet.
Curated OER
Similar Figures
For this geometry worksheet students explore similar polygons and determine measure of missing sides and angles. Students use indirect measurement with similar triangles and determine the area and volume of similar figures. The seven...
Curated OER
Carrying Capacity of Ecosystems
Students define population and carrying. In this algebra lesson, students explore exponential growth and decay based on animals and things that grow or decrease exponentially. They graph their findings and discuss their results as they...
Curated OER
The Generation of Fractions
Students explore the process of reducing fractions to simplest form by using a multiples grid. For this simplest form lesson, students pull different fractions out of a bag and then consult their grid to discover all the multiples that...
Curated OER
Forest Ecology or Who Lives Here?
Pupils explore a hardwood forest. In this forest ecology lesson, students examine the diversity and animals and plants as they explore their habitats at Poricy Park Conservatory. Pupils determine how biodiversity and abiotic elements...
Curated OER
Least Common Multiple Practice 2
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice 3
In this least common multiples practice activity, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Solving Trigonometry Problems in Two and Three Dimensions
In this Pre-calculus/Trigonometry worksheet, students solve trigonometry problems in two and three dimensions. The eleven page worksheet contains explanation, examples, and twenty problems. Answers are not included.
Curated OER
How Healthy is the Wetland?
Learners explore wetlands. In this ecology lesson, students visit a wetland site and collect data about the wetland functions. Learners record their results and use the data recorded to rate the wetland site on its function.
Curated OER
Intro To Probability
Students investigate the concepts related to the practice of using probability. They review the use of mean, median, and mode within the context of previous instruction. Students predict outcomes and calculate them in small groups. The...
Curated OER
Similar Triangles - Applied Problems
Students differentiate between similar and congruent triangles. In this geometry instructional activity, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.
Curated OER
Finding LCM
In this LCM worksheet, students read several paragraphs on finding LCM in various situations, then solve 25 problems.
Curated OER
Finding LCM
In this finding LCM worksheet, students read a substantial amount of information about finding LCM for numbers, then complete 20 problems using the information given.
Curated OER
II Similar
Students, through lecture and guided practice, discover the properties of similar triangles. They use given measurements of one triangle to find a missing measurement of a similar triangle. They apply this knowledge in real-life...
Curated OER
Guetemala's Changing Forest
Eighth graders compare their local ecological zone to the tropical rainforest. In this natural ecology lesson, 8th graders complete an activity about the differences in ecological zones. They compare their biome to the Guatemalan...
![Wired Math: Primes and Prime Factors [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Wired Math: Primes and Prime Factors [Pdf] Unknown Type")
University of Waterloo (Canada)
Wired Math: Primes and Prime Factors [Pdf]
Explore primes, prime factors, and composites using this collection of worksheets. Lots of detailed examples, interesting math facts, and colorful visuals. Acrobat Reader required.
PBS
Pbs: Greatest Common Factor
In this video, learn how to find the greatest common factor of two numbers. Then, see how this can be used to solve problems with large numbers. In the accompanying classroom activity, students learn to find prime factors using factor...
Elias Saab
Math Drills: Prime Factorization Quiz
This site is an interactive quiz which provides students with a prime factorization problem. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and explanations are provided...
University of Waterloo (Canada)
University of Waterloo: Cemc: Math Circles: Number Theory Ii [Pdf]
This worksheet provides a series of problem-solving questions that require higher order thinking skills. Questions will include finding the greatest common divisor, and least common multiple.
National Council of Teachers of Mathematics
The Math Forum: Finding the Greatest Common Factor of Two Numbers
Math Forum response to question about finding the greatest common factor by using the factoring tree method.
Cool Math
Coolmath: Pre Algebra Factorizations
Learn about "factorization" from Cool Math. Several examples and practice problems are provided.