Willow Tree
Systems of Equations
Now that learners figured out how to solve for one variable, why not add another? The lesson demonstrates, through examples, how to solve a linear system using graphing, substitution, and elimination.
Teach Engineering
Forms of Linear Equations
Linear equations are all about form. The fifth part in a unit of nine works with the different equivalent forms of linear equations. Class members become familiar with each form by identifying key aspects, graphing, and converting...
Balanced Assessment
Getting Closer
Flip the script! Reverse the situation and ask the class to find the function given asymptotes. The task requires class members to use their knowledge of functions and asymptotes to create functions that have a given asymptote or...
Curated OER
Tennis Balls in a Can
Make your classroom interesting by teaching or assessing through tasks. Deepen the understanding of Geometry and motivate young mathematicians. The task uses investigation with tennis balls and their container to prompt learners to...
Curated OER
Warm Up Exercises
Find an extensive list of warm-up, cool-down, and strength-training exercises perfect for all ages. Each move includes written description as well as an image. Use these for your own reference or to give to students who are training on a...
EngageNY
Congruence Criteria for Triangles—SAS
Looking for a different approach to triangle congruence criteria? Employ transformations to determine congruent triangles. Learners list the transformations required to map one triangle to the next. They learn to identify congruence...
Smithsonian Institution
Korean War
North and South Korea: two regions divided. The story of the Korean War describes the events that occurred when these two regions' ideologies clashed. The resource uses various images and descriptions of artifacts, in addition to...
Concord Consortium
Function Project
What if a coordinate plane becomes a slope-intercept plane? What does the graph of a linear function look like? Learners explore these questions by graphing the y-intercept of a linear equation as a function of its slope. The result is a...
Illustrative Mathematics
Right Triangles Inscribed in Circles II
So many times the characteristics of triangles are presented as a vocabulary-type of lesson, but in this activity they are key to unraveling a proof. A unique attack on proving that an inscribed angle that subtends a diameter must be a...
Houston Area Calculus Teachers
Area and Volume
An AP calculus lesson begins with an activity to determine the volume of a solid using a cross-section. Next, learners review the ways to find the area between two curves , as well how to find the volume of a solid created...
Curated OER
The Stone Boat Mystery
Students design and execute a lab through which they study the distinctions between density, buoyancy, and volume.
Curated OER
Quilting
Learners use a monochromatic palate, select shades and tints for a selected hue, or select complimentary or analogous colors for a quilt design. They design quilt squares using basic geometric shapes, repetition, balance, and proportion.
Scholastic
Holes Match 'Em Up Challenge
Upper graders read the book Holes as a class or by themselves. In groups, they identify symbols and discuss how they are connected among the many plots in the story. They create a timeline in which they sequence the main...
PBS
Geometry: Hide and Seek
A geometry game that resembles Battleship is the foundation for hide and seek where "hiders" draw shapes on coordinate planes and "seekers" must guess the shape and its location based on questions and clues. Reproducible, paper-sized...
Curated OER
Exploring Geometric Figures
Tenth graders explore mathematics by participating in hands-on daily activities. Learners identify a list of different shapes and classify them by shape, size, sides and vertices. They utilize tangrams and geometric pieces to gain...
Curated OER
The Grapes of Wrath: QAR--Question/Answer Relationship
Chapter nine of John Steinbeck's The Grapes of Wrath provides the text for an exercise that asks readers to think deeply about the items the Joads left behind and what these items might represent.
Novelinks
Zach’s Lie: Questioning Strategy – Cubing
Your class won't be a bunch of squares from using this well-rounded activity! Instead, they'll be expressing thoughtful questions using the cubing strategy. The class brainstorms questions of increasing rigor about Zach's Lie in the...
Exploratorium
Whack-a-Stack
Go wild as you hit a stack of wooden blocks to demonstrate Newton's first and second laws of motion. The blocks at the top of the stack stay put as you knock one at a time out of the bottom. Note, however, that you will need to...
EngageNY
Mid-Module Assessment Task - Geometry (Module 2)
Challenge: create an assessment that features higher level thinking from beginning to end. A ready-made test assesses knowledge of dilations using performance tasks. Every question requires a developed written response.
EngageNY
More About Similar Triangles
Determine whether two triangles are similar. The lesson presents opportunities for pupils to find the criterion needed to show that two triangles are similar. Scholars use the definition of similarity to find any missing side...
Virginia Department of Education
Properties of Quadrilaterals
What type of quadrilateral is that? Discover the difference between the types of quadrilaterals. Small groups investigate types of quadrilaterals using geometry software to find their properties. To keep track of the different...
Colorado State University
Why Do Hurricanes Go Counterclockwise in the Northern Hemisphere?
Test your class' coordination as they model the Coriolis Effect. Forming a large circle, learners move to the right as they try to toss a ball to the person across from them. The movement of the circle represents the rotation of the...
PBS
Four Corners
It's imperative to be as precise as possible. Future engineers learn about precision by building a cardboard machine. The base, corners, handles, and paddles must all be assembled with precision or the machine won't work.
Curated OER
The Seven Continents Scavenger Hunt
Who doesn't enjoy an engaging scavenger hunt? Here, scholars listen to, and discuss, the informative text, Where is my Continent? by Robin Nelson. They then explore the seven continents and four major oceans using...
Other popular searches
- Parallel Lines and Angles
- Slope of Parallel Lines
- Geometry Parallel Lines
- Parallel Lines Transversals
- Properties of Parallel Lines
- Introducing Parallel Lines
- Proving Parallel Lines
- Parallel Lines Lesson Plans
- Parallel Lines and Transversal
- Systems and Parallel Lines
- Parallel Lines, Transversal