Curated OER
Exploring Characteristics of Triangles
Students draw triangles and explore the classification of each using the measures of interior angles and lengths of sides. They investigate the sum of the interior angles of various triangles and conjecture and prove the theorem: The...
Curated OER
The Pythagorean Theorem
Learners create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...
Curated OER
Exploring Centers of a Triangle: Part 2
Learners model and solve a real-world problem by constructing the centroid of a triangle. They explore relationships of the medians of a triangle and investigate how the centroid partitions each of the medians. Students investigate...
Curated OER
Exploring Infinite Series through Baravelle Spirals
Students are introduced to the concept of convergent infinite series using a recursive geometric construction. They explore the concept of a convergent infinite series using partial sums. Students use formal calculations, visualizations,...
Curated OER
Creating AB Patterns
Students work with patterns. In this pattern activity, students find AB patterns in nature and the manmade world. They create their own AB pattern using math manipulatives and visual arts.
Curated OER
Paul Bunyan - A Folktale Full of Math
Sixth graders solve math problems from a folktale story. In this solving math problems from a folktale story lesson plan, 6th graders read the Paul Bunyan folktale. Students determine today's cost of the meals that Paul...
Curated OER
Math Jeopardy
Students write questions for a Jeopardy game. In this integer review lesson, students review integers by navigating through a linked web site. They play a Jeopardy game. Students create five questions, one for each of the assigned...
Curated OER
Using Excel, the Internet, And Word To Create a Spreadsheet, Chart, And Instructions
Students improve data entry in a spreadsheet.
Curated OER
Apple Estimation: Percentages & Subjective Reasoning
Students practice using their estimation skills by utilizing apples. In this percentage lesson, students utilize a scale and an apple to discover the percentage of each bite they take. Students share their data with the rest...
EngageNY
Normal Distributions (part 1)
Don't allow your pupils to become outliers! As learners examine normal distributions by calculating z-scores, they compare outcomes by analyzing the z-scores for each.
Curated OER
Define Geometry Terms
The Common Core is intended to help all children meet high academic standards. Here is a Common Core designed lesson that is intended for learners with communication or language difficulties. The lesson is written in a narrative style...
Education Outside
Papermaking
Imagine recycling food scraps and using them to make paper. The directions are all here in a seven-page packet that details several paper-making strategies.
Beyond Benign
Ecological Footprint
How does your lifestyle measure up in terms of your ecological footprint? Young ecologists examine their impact on the planet using an insightful online calculator. A short quiz asks users to rank the size of their homes, their energy...
Civil War Trust
Map the Civil War
Mapmaking was a very important element in successfully planning attacks on enemies during the Civil War. Guide pupils through the process of pacing to find the average length of their steps, measure the distance between one object...
National Institute of Food and Agriculture
Water Supply
Participate in three activities that look at the earth's limited water supply and the changes water goes through as it enters each phase of the water cycle. The resource is complete with three activities that demonstrate the changing...
Agriculture in the Classroom
Design 'Y'er Genes
How do changes in DNA affect an organism? Scholars explore chromosomes, genes, DNA, and mutations by modeling the DNA of a strawberry. They build a DNA model, then manipulate it to show how changing the genes transforms the strawberry...
Curated OER
He Said, She Said, So: What's the Point?
Not by the hair on my chinny chin chin! Upper graders and middle schoolers read the story The Three Little Pigs and other tales related to the story from various points of view. They use the Internet to find more stories...
Teach Engineering
Alloy Advantage
Mix it up by using an intriguing resource that teaches young metallurgists that alloys are a metal mixture. They learn about the advantages of using alloys over pure metals and investigate titanium alloys as an example to finish the...
Teach Engineering
Projectile Magic
What do the movies October Key and Harry Potter and the Sorcerer's Stone have in common? The fourth installment of a five-part module presents equations regarding projectile motion and how to rearrange them. Scholars view video clips...
Kenan Fellows
Density
Most scholars associate density with floating, but how do scientists determine the exact density of an unknown liquid? The third lesson in a seven-part series challenges scholars to find the mass and volume of two unknown liquids. Each...
NASA
Just How Far is That Star?
Pupils often wonder how we know the distance to various stars. Starting with a thought experiment and progressing to a physical experiment, they determine the brightness and distance to various stars. The evaluation requires...
Curated OER
Math TODAY - The New Color of Money
Students work with large numbers when determining the height of a stack of $20 bills.
Curated OER
Using Electronic Manipulatives in Multiplication
Factor polynomials using electronic manipulatives. Your class will create a spreadsheet in excel and use it to multiply and perform basic operations and solve problems correctly. They create a visual to go along with each multiplication...
Curated OER
Solid Geometry
Eighth graders review solid geometry and measurement with a partner. They identify shapes and how they are measured then complete a word processing exercise on a computer. They exchange papers for grading.