Curated OER
Visual Arts Lesson -Wardrobe
Students define the term neoclassism and locate examples of it in furniture design. They research and explain the role of the wardrobe in viceregal Mexico. Pupils compare and contrast the use of wardrobes as storage in the earlier...
Curated OER
Social Studies: The Fremont People
Students examine the culture of the Fremont people prior to creating their own copies of their pottery. With teacher-supplied clay, students follow instruction sheets to make their own replicas based on the Fremont pottery designs.
Curated OER
Descriptive Writing
Students practice descriptive writing. In this unique writing lesson, students hear a story about a mitten. Then three grade levels come together to first, create a mitten on KidPix; second, describe the designed mitten; and third, try...
Curated OER
Patterns
Second graders create an ABAB pattern with their name. In this early elementary math instructional activity, 2nd graders first model their names in an ABAB pattern with unifix cubes. They then recreate the pattern using letter stamps on...
Curated OER
Counting By 5s
Second graders count by 5's to 100. In this math lesson plan conducted on the 100th day of school, 2nd graders use picture stamps in the KidPix program to count by 5's and get to 100.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: "Impossible" Geometric Constructions
Three geometric constructions students like to say are "impossible" are explained here. Trisecting an angle, squaring a circle, and doubling a cube are examined as being either possible or impossible, depending on the "rules" you use.
Oswego City School District
Regents Exam Prep Center: Geometric Constructions
Learn all about the basic geometric constructions in this test prep lesson. You will explore line segments and points, and understand key terms like the terms parallel and perpendicular. Construction activities and interactive online...
Wolfram Research
Wolfram Math World: Math World: Geometric Construction
Offers an explanation of what a geometric construction is and what some of the tools are that are used for it, including the traditional straightedge and compass. The site explains how to construct various polygons inscribed within a...
Mathigon
Mathigon: Euclidean Geometry: Geometric Construction
This lesson focuses on the history of geometric construction beginning with Euclid's Axioms to the simple tools such as the straight edge and the compass.
Varsity Tutors
Varsity Tutors: Hotmath: Constructions: Exercises
Ten problems cover the topic of geometric constructions. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check each step of...
CK-12 Foundation
Ck 12: Geometry Software for Constructions
[Free Registration/Login Required] Students explore the concept of using geometry software to construct geometric shapes by navigating through the interactive learning module and then answering questions that go along with the module....
Cut the Knot
Cut the Knot!: Geometric Construction With the Compass Alone
This site explains the possible uses of a compass when drawing. There are numerous exercises for using a compass with links to the solutions - click on the red checkmarks for these. The site discusses mathematicians who contributed to...
Other
Advogato: Trigonometry by Geometric Construction
This site from Advogato is all about angles. It contains information starting with what an angle is and what it looks like, all the way up to bisecting angles and theorems about angles. This is very good information for students just...
Texas Education Agency
Texas Gateway: Constructing and Justifying Statements About Geometric Figures
Students will distinguish between undefined terms, definitions, postulates, conjectures, and theorems and investigate patterns to make conjectures about geometric relationships.
CK-12 Foundation
Ck 12: Interactive Geometry: 5.3 Parallel and Perpendicular Line Constructions
Understand the step-by-step processes used to create accurate geometric figures.
Texas Instruments
Texas Instruments: Traditional Copy an Angle: Compass Construction Using Cabri
Use Cabri Jr to copy an angle. The activity is followed by a student-to-student interview/reflection sheet intended to require students to think, talk, and write about why the construction worked. The reflection sheet could be adapted...
Illustrative Mathematics
Illustrative Mathematics: G Co Angle Bisection and Midpoints of Line Segments
This task provides a construction of the angle bisector of an angle by reducing it to the bisection of an angle to finding the midpoint of a line segment. Aligns with G-CO.D.12.
Illustrative Mathematics
Illustrative Mathematics: G Co Construction of Perpendicular Bisector
A and B are two distinct points in the plane and line AB is the segment joining them. The goal of this problem is to construct the perpendicular bisector of segment AB. Aligns with G-CO.D.12.
Maths Challenge
Maths challenge.net: Perpendicular Construction
This is a "three star" geometry problem where prior math problem skills and proof experience is recommended to solve this "Perpendicular Construction" problem.
ArtsNow
Arts Now Learning: Monumental Construction [Pdf]
In this instructional activity, students work in teams to create large paper sculptures using newspaper rolled up into tubes.
Texas Instruments
Texas Instruments: Ti 92 + Cabri Geometry for the Not Necessarily Advanced User
This activity is a tutorial on using the Cabri Geometry application. Students' perform geometric constructions which range from simple triangles to complex conics.
ArtsNow
Arts Now Learning: Monumental Construction [Pdf]
In this lesson, students work in teams to create large paper sculptures using newspaper rolled up into tubes.
Khan Academy
Khan Academy: Algebra I: Recursive Formulas for Geometric Sequences
Find the recursive formula of a geometric sequence given the first few terms or given an explicit formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.