EngageNY
Composition of Linear Transformations 1
Learners discover that multiplying transformation matrices produces a composition of transformations. Using software, they map the transformations and relate their findings to the matrices.
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
Solution Sets to Simultaneous Equations (part 1)
How are systems related? Build on your pupils' previous knowledge of solving systems of equations by introducing systems of inequalities. Learners explore similarities between systems of equations and inequalities to make a strong...
EngageNY
Equivalent Ratios Defined Through the Value of a Ratio
Ratios may not be created equal, but they are equivalent. Pupils learn the theorem relating equivalent ratios and equal values in the eighth segment in a series of 29. Classmates use the theorem to determine whether ratios within...
EngageNY
Inscribed Angle Theorem and Its Applications
Inscribed angles are central to the lesson. Young mathematicians build upon concepts learned in the previous lesson and formalize the Inscribed Angle Theorem relating inscribed and central angles. The lesson then guides learners to prove...
EngageNY
Discovering the Geometric Effect of Complex Multiplication
Does complex number multiplication have the class spinning? Here's a resource that helps pupils explore and discover the geometric effect of multiplying complex numbers. In the 14th installment in the 32-part unit groups look at the unit...
EngageNY
Matrix Addition Is Commutative
Explore properties of addition as they relate to matrices. Using graphical representations of vector matrices, scholars test the commutative and associative properties of addition. They determine if the properties are consistent for...
Curated OER
Sink or Float
Second graders explore floating and sinking and make predictions about whether certain objects are likely to sink or float. They read the story Who Sank the Boat? by Pamela Allen. Pupils loacate rhyming words and discuss the events of...
NASA
Cosmic Microwave Background
Begin your next class with a BANG! Pupils discuss the formation of our universe and its expansion before proceeding with an activity designed to demonstrate what most likely occurred billions of years ago. They conclude with a discussion...
Curated OER
Teaching Strategies for the Social Studies Classroom
Engage your class in a lesson that is concerned with the development of skills in the realm of teaching strategies needed for Social Studies. They will participate in delivering content using several strategies that are demonstrated by...
National Gallery of Canada
Urban Desire
Urban spaces are often overlooked and broken down. Offer your pupils the opportunity to reimagine an urban space. Learners examine and discuss works of art related to this theme and consider their own communities. Small groups then...
Messenger Education
My Angle on Cooling—Effect of Distance and Inclination
When exploring Mars, spacecrafts are exposed to 5-11 times more sunlight than when near Earth. Groups of pupils complete a hands-on activity to explore how distance and angle of the sun affect temperature. Through discussions, they then...
Messenger Education
Design Challenge: How to Keep Gelatin from Melting
The inside of the spacecraft Messenger, which explores Mercury, will experience temperatures from 32 to 91 degrees Fahrenheit. In the final installment of a series of four space-related activities, groups spend time discussing and...
Curated OER
Number and Number Relations
Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...
Curated OER
Scale Model of the Solar System
Young scientists gain a better understanding of space, the solar system and its vastness by creating a scale model. Students first need to calculate the distance between each of the nine planets according to the size of their scale. This...
Messenger Education
Snow Goggles and Limiting Sunlight
Why would someone need contact lenses that offer UV protection? With a 28-page packet full of instruction and worksheets, learners discuss solar radiation and its potential harm to eyes. They make snow goggles similar...
Cornell University
Buoyancy
Swimmers know to float by turning their bodies horizontally rather than vertically, but why does that make a difference? In an interesting lesson, scholars explore buoyancy and the properties of air and water. They test cups to see which...
National Wildlife Federation
What is DBH?
When measuring the circumference of a tree, does it matter how high you place the measuring tape? Most scholars have never considered this question, but scientists know that measurement techniques must be standardized. The 13th activity...
Science 4 Inquiry
Expanding the Universe
When Einstein first heard the theory of the expanding universe, he dismissed it as bad physics. Now scholars learn about the theory and how scientists prove it has merit. Through a hands-on simulation and videos, class members measure...
Baylor College
Neurotransmitters Contain Chemicals
Human body systems students play a card game, "Locks & Keys" in order to learn that neurotransmitters carry a message from one neuron to another by fitting into a receptor site on the receiving nerve cell. While this activity can...
NASA
Einstein and His Times
Scholars research and present on the historical happenings of 1919. After sharing their findings, pupils debate about how Congress dealt with the moral issues of the time. The evaluation asks learners to write a persuasive...
Mathalicious
New-tritional Info
Burning off a Big Mac® doesn't seem like a big feat until you calculate the minutes of exercise necessary to break even. Young mathematicians look at different menu items in relation to different body weights and exercises to calculate...
Curated OER
Youth Obesity: Schools Fight Back
Kids fight obesity by comparing the USDA food intake suggestions to what they personally consume throughout the day. They watch a video, read texts, and explore related vocabulary which they use as they compose an oral presentation.
American Chemical Society
Matter on the Move
Start this mini unit on matter out by demonstrating how food coloring behaves when placed in cold and in hot water. Then have the class experiment with warm water and soap film. Pupils will learn that an increase in thermal energy also...