Under the Dome
The Pythagoras Tree
View a tree designed by Pythagoras. Pupils watch a video as a tree is built by using squares representing the side lengths of a right triangle, with each side of the squares becoming the side of another triangle. Learners come up with...
Mathematics Assessment Project
College and Career Readiness Mathematics Test C2
Scholars apply knowledge learned over their high school math courses in order to determine their college readiness. The 20-page resource emphasizes applied problem solving.
Curated OER
Tricky Triangle
In this triangle instructional activity, high schoolers solve 1 word problem about the lengths of a triangle. Students determine the length of the longest side given the ratio of the angle measures.
Curated OER
Calculating Distances in Two and Three Dimensions
Students use the Pythagorean Theorem to solve problems. In this geometry lesson, students solve for the distances by calculating the different parts of the shape of a two and three dimensional shape. They reason by analogy.
EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
Curated OER
Which Triangles are Right
Students apply properties of right triangles to solve problems. In this geometry lesson, students identify axioms and theorems using examples.
Curated OER
Geometry Course Review
In this geometry review set of worksheet, 10th graders solve and complete 139 various types of problems. First, they find the slope-intercept form of a line passing through a point and parallel to a line given. Then, students find the...
Curated OER
Babylonian Mathematics 2
Students research Babylonian mathematics. They calculate simple surd numbers. Students find the fractional form of rational numbers expressed as decimals. They work with numbers in base 60.
Curated OER
The Fishing Pole Problem
In this algebra worksheet, 11th graders use algebra to solve a word problem related to fishing. They figure out how to get a boy home form his fishing trip as their are restrictions as to what he can take on the bus. There is an answer key.
Texas Education Agency
Texas Gateway: Applying Pythagorean Triples to Solve Problems
Given verbal and pictorial representations of problem situations, the student will apply patterns from right triangles whose sides are Pythagorean Triples to solve the problems.
Texas Education Agency
Texas Gateway: Applying Pythagorean Triples
Given problem situations involving similar figures, the student will apply and justify triangle similarity relationships such as Pythagorean triples.
Texas Instruments
Texas Instruments: Numb3 Rs: Pythagorean Triples
Based off of the hit television show NUMB3RS, this lesson has students explore the notion of Pythagorean triples, the "traditional" method for finding Pythagorean triples, and a method to find triples which utilizes the Fibonacci...
CK-12 Foundation
Ck 12: Pythagorean Triples
[Free Registration/Login Required] Students explore the concept of pythagorean triples by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about...
Illustrative Mathematics
Illustrative Mathematics: A Rei Pythagorean Triples
This task has two separate goals: the first is to solve a pair of equations, one quadratic and the other linear. The second goal is to observe that a point that lies on a circle gives rise to a Pythagorean triple. Aligns with A-REI.C.7.
Wolfram Research
Wolfram Math World: Pythagorean Triple
This site provides extensive information about Pythagorean triples. It begins by explaining its relation to the Pythagorean theorem, and then gives ways to generate Pythagorean triples using relatively prime numbers and Fibonacci numbers.
CK-12 Foundation
Ck 12: Geometry: Pythagorean Theorem and Pythagorean Triples
[Free Registration/Login may be required to access all resource tools.] This concept teaches students the Pythagorean Theorem and its converse and how to apply it.
Wikimedia
Wikipedia: Pythagorean Triple
This Wikipedia article explains a Pythagorean triple -- the triangle formed by three positive integers. Includes examples and hyperlinked terms.
CK-12 Foundation
Ck 12: Trigonometry: Identifying Sets of Pythagorean Triples
[Free Registration/Login may be required to access all resource tools.] Learn what Pythagorean Triples are.
CK-12 Foundation
Ck 12: Algebra Ii: 1.10 Pythagorean Triples
This section explores right triangles with three lengths that are considered Pythagorean Triples, and also investigates how some right triangles can have lengths that are not Pythagorean Triples.
CK-12 Foundation
Ck 12: Geometry: Pythagorean Theorem and Pythagorean Triples
[Free Registration/Login may be required to access all resource tools.] Apply the Pythagorean Theorem and its converse. Includes videos, exercises, links to interactive activities, etc.
CK-12 Foundation
Ck 12: Geometry: Pythagorean Theorem Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide is an overview of the Pythagorean theorem and its converse, Pythagorean triples, and proving the distance formula.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Pythagorean Triples
Find a quick, concise explanation of Pythagorean triples. Examples are given and clearly explained.
Math Is Fun
Math Is Fun: Pythagorean Triples
Students investigate the sets of whole numbers that are Pythagorean triples. A definition and examples are included.
CK-12 Foundation
Ck 12: Pythagorean Theorem and Pythagorean Triple
[Free Registration/Login Required] Students will determine the number of pixels a phone has on the screen by using the pythagorean theorem and pythaogrean triple. Click learn more to watch a video and click challenge me to answer a...