EngageNY
The Zero Product Property
Zero in on your pupils' understanding of solving quadratic equations. Spend time developing the purpose of the zero product property so that young mathematicians understand why the equations should be set equal to zero and how that...
EngageNY
Bean Counting
Why do I have to do bean counting if I'm not going to become an accountant? The 24th installment of a 35-part module has the class conducting experiments using beans to collect data. Learners use exponential functions to model this...
EngageNY
The Relationship Between Visual Fraction Models and Equations
Ours is to wonder why, not just to invert and multiply. The seventh installment of a 21-part module uses fraction models to help pupils understand why the invert-and-multiply strategy for dividing fractions works. They then work on some...
Illustrative Mathematics
Counting Stamps
Stamps come in sheets, strips, and singles. Young mathematicians use their knowledge of hundreds, tens, and ones to determine how many stamps Mike has altogether.
Illustrative Mathematics
Making a Ten (Grade 1)
How many ways can first graders make a 10? Using an addition chart, learners color in the 10s on the table. They notice and explain the meaning of the pattern, and how to get to another sum of 10.
Curated OER
"Tear him for his bad verses:" Cinna the poet and Shakespeare's Sonnets
Poor Cinna, the poet. His dream of “things unlucky” certainly comes true as the mob tears him apart, at first because they mistake him for Cinna, the conspirator, and then continue to “tear him to pieces for his bad verses.” As part of...
EngageNY
Percent Rate of Change
If mathematicians know the secret to compound interest, why aren't more of them rich? Young mathematicians explore compound interest with exponential functions in the twenty-seventh installment of a 35-part module. They calculate future...
EngageNY
Building Background: A Short History of Human Rights
Before continuing to read the Universal Declaration of Human Rights, learners need to understand why and how this document was written. First, show and discuss a video from UNICEF to demonstrate the need for such a document. Then have...
Curated OER
Tile Patterns I: Octagons and Squares
This can be used as a critical thinking exercise in congruence or as a teaching tool when first introducing the concept. Four octagons are arranged in such a way that a square is formed in the middle. With this information, geometry...
Curated OER
Using Random Sampling to Draw Inferences
Emerging statisticians develop the ability to make inferences from sample data while also working on proportional relationships in general. Here, young learners examine samples for bias, and then use random samples to make inferences...
Shodor Education Foundation
Estimating With Fire
Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...
Federal Reserve Bank
What Are the ‘Ingredients’ for Economic Growth?
Delve into the concept of economic growth with your class members, including why economic growth is important, what causes it, and how can countries encourage it.
Maryland Department of Education
The Concept of Diversity in World Literature Lesson 10: Author's Purpose Seminar
Why did Chinua Achebe write "An Image of Africa: Racism in Conrad's Heart of Darkness" in response to Conrad's novel? As part of a study of Things Fall Apart, class members conduct a socratic seminar focused on Achebe's purpose and...
EngageNY
Stretching and Shrinking Graphs of Functions
Why is that graph wider? Pupils learn about stretching and shrinking graphs of square root, absolute value, cubic, and quadratic functions. They study both vertical and horizontal stretches and shrinks in addition to reflections.
Penguin Books
Teacher's Guide: Kindred by Octavia E. Butler
A teacher's guide for Kindred provides instructors with a wealth of materials to enrich either a full-class reading or independent study of Octavia E. Butler's popular science fiction novel. The activities are designed to encourage...
California Education Partners
Photos
Why do all sizes of pictures not show the same thing? Class members analyze aspect ratios of various sizes of photos. They determine which sizes have equivalent ratios and figure out why some pictures need to be cropped to fit particular...
K5 Learning
Will the Wolf
How well can a wolf survive without a pack? Third graders read about headstrong Will and his desire to be an independent wolf with a short story and series of comprehension questions.
Kenan Fellows
Introduction to a Flight Computer
Keep your hands on the wheel—at all times! Scholars learn why pilots use a flight computer through a high-flying demonstration. Making calculations for speed, distance, or time is automatic if you know how to use a flight computer.
Google
The Law of Large Numbers and Probability
Learners investigate why theoretical probability doesn't always match reality. The activity involves using Python 2.7 (or Sage) to set up a Bernoulli Trial. It also involves setting up a spreadsheet to simulate the Birthday Paradox....
Asian Art Museum
Japanese Architecture for Elementary School Students
Art and architecture go hand-in-hand. Kids watch clips from the Hayo Miyazaki film Spirited Away to better understand Japanese customs and architecture. The discussion questions included are very good, and will help you lead the class in...
Illustrative Mathematics
Operations on the Number Line
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
Turabian Teacher Collaborative
My Favorite Martian: Workshopping Warrants
Sometimes explaining an argument can lead to confusion and miscommunication. Narrow down the details in written arguments with a group activity in which learners pretend to be aliens from another planet, struggling to understand each...
West Contra Costa Unified School District
Simplifying Radicals – Day 1
It doesn't get simpler than this. Scholars first learn to simplify radicals by determining the prime factors of the radicand. The instructional activity progresses to simplifying radicals involving algebraic expressions in the radicand.
Tech Museum of Innovation
Balloon Astronaut
Design protection from high-speed particles. The STEM lesson plan highlights why astronauts need protection from space debris. Pupils use the design process to design, build, and test a spacesuit that will protect a balloon from a...