National Security Agency
Classifying Triangles
Building on young mathematicians' prior knowledge of three-sided shapes, this lesson series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy Triangle,...
National Security Agency
Backyard Building - Area and Perimeter
Turn young mathematicians into landscape architects with this four-lesson series on area and perimeter. Beginning with a basic introduction to calculating perimeter and area using non-standard units of measurement, this instructional...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
National Security Agency
Awesome Area - Geometry and Measurement
Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-lesson series supports children with learning how to measure the area of squares, rectangles, and other...
EduGAINs
Discovery of Pi
Serve up a slice of math for Pi Day! A combination of fun, hands-on lessons and helpful worksheets encourage learners to practice finding the radius, diameter, and circumference of different circles.
Kenan Fellows
Use of Dichotomous Keys to Identify Stream Organisms
What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...
Kid Zone
Groundhog's Day Graphing
This Groundhog's Day, challenge scholars to predict, estimate, tally, and graph in a weather-themed lesson in which class members play the role of the groundhog to forecast the weather come February second.
Council for Economic Education
Balance of Payments (BOP)
Have you ever checked your clothes to see how many nations created them? Pupils take a deeper look at international trade and the balance of payments nations have with one another. They use calculations, simulations, and primary sources...
Teach Engineering
Thrown for a Loop
Round and round it goes. Class members observe a current carrying loop in a magnetic field and calculate its associated torque. They then apply what they have learned to example problems to solve for the torque and to calculate the...
Teach Engineering
Levers that Lift
Introduce your class to to the remaining three simple machines-- the lever, pulley, and the wheel-and-axle with a plan that includes the three different types of levers in the discussion of levers. The lesson continues with the...
Virginia Department of Education
Hoppin' on the Elapsed Time Line
Time flies when you're teaching math! Okay, maybe not for everyone, but this lesson will have your young mathematicians calculating elapsed time before you know it.
Science Geek
Thermochemical Calculations
Viewers learn where the heat goes when phase changes take place with a presentation that explains the latent heat of phase changes, or, more specifically, the molar heat of fusion, solidification, vaporization, and condensation. The show...
Flipped Math
Correlation
Determine how close the line is to the scatter plot. Clear video instruction shows how to plot a scatter plot and find the best fit line using the linear regression function on a calculator. Pupils use the information from the calculator...
Flipped Math
Simulations
Simulate an exciting graphing calculator-based lesson. Individuals watch and participate creating simulations using the random number generator in a graphing calculator to answer probability problems. Learners then build simulations to...
National Council of Teachers of Mathematics
Scale Factor
Does doubling mean everything doubles? Learners adjust the scale factor between two rectangles. Using the calculated measurements, pupils investigate the ratios between the lengths, perimeters, and areas of the rectangles.
Bowels Physics
Newton's First Law
Force acts on objects in mysterious ways ... until now! A comprehensive presentation explains the balance of forces acting on objects. Learners draw free body diagrams to show these invisible forces and make force calculations.
Physics Classroom
Name That Harmonic: Strings
Don't string your class along! Physics scholars discover the fascinating forces behind the music of stringed instruments using an interactive. From a series covering sounds and waves, the interactive asks users to identify nodes and...
Curated OER
Flicking Football Fun
Young mathematicians fold and flick their way to a deeper understanding of statistics with a fun, hands-on math unit. Over the course of four lessons, students use paper footballs to generate data as they learn how to create line...
Learning Games Lab
Nitrogen in Fertilizer
Nitrogen is an essential element for productive farming. An interactive lesson explores the chemical makeup of different fertilizers and their corresponding nitrogen content. The interactive challenges individuals to complete molecular...
Bowels Physics
Electric Circuits
Investigate the construction of the electric circuit with a thorough presentation that provides a solid background for each type of circuit. After introducing key vocabulary, the lesson goes on to explain circuit design.
Math Worksheets Land
Percent Error and Percent Increase - Guided Lesson
When prices and numbers change, can you calculate by how much? Here is a worksheet that introduces the idea of percent change and percent error to calculator how much change the information goes through. Use the worked-out solutions to...
Teach Engineering
Energy Basics
Power up your lessons with an energetic resource. Scholars learn about work, force, energy, and power. They consider the relationships between these quantities through hockey puck scenarios and make calculations using formulas.
EngageNY
Exploiting the Connection to Trigonometry 1
Class members use the powers of multiplication in the 19th installment of the 32-part unit has individuals to utilize what they know about the multiplication of complex numbers to calculate the integral powers of a complex number. Groups...
Teach Engineering
Mechanics of Elastic Solids
Make the connection between Hooke's law and elasticity with an activity that introduces the class to the behavior of elastic materials. The resource defines stress and strain to calculate the modules of elasticity of materials and also...