EngageNY
Multiplying and Dividing Rational Expressions
Five out of four people have trouble with fractions! After comparing simplifying fractions to simplifying rational expressions, pupils use the same principles to multiply and divide rational expressions.
EngageNY
Differences Due to Random Assignment Alone
It takes a lot of planning to achieve a random result! Learners compare results of random assignment, and conclude that random assignment allows results to be attributed to chance. They also realize the set of random means...
EngageNY
Ruling Out Chance (part 2)
Help your classes find the significance in this activity! Learners analyze the probability of Diff values. They then determine if the difference is significant based on their probability of occurrence.
EngageNY
Ruling Out Chance (part 3)
Pupils analyze group data to identify significant differences. They use simulation to create their own random assignment data for comparison.
Urbana School District
Thermodynamics
Entropy, it isn't what it used to be. Presentation includes kinetic-molecular theory, heat and internal energy, thermal equilibrium, temperature scales, laws of thermodynamics, entropy, latent heat of fusion, specific heat, calorimetry,...
EngageNY
The Geometric Effect of Some Complex Arithmetic 1
Translating complex numbers is as simple as adding 1, 2, 3. In the ninth lesson in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads pupils into what it...
EngageNY
Congruence Criteria for Triangles—AAS and HL
How can you prove it? Guide classes through an exploration of two possible triangle congruence criteria: AAS and HL. Learners connect this criteria to those previous learned and also explore criteria that does not work. The lesson plan...
EngageNY
Congruence Criteria for Triangles—ASA and SSS
How do you know if a pair of triangles are congruent? Use the lesson to help class members become comfortable identifying the congruence criteria. They begin with an exploration of ASA and SSS criteria through transformations and...
EngageNY
Using Expected Values to Compare Strategies
Discover how mathematics can be useful in comparing strategies. Scholars develop probability distributions for situations and calculate expected value. They use their results to identify the best strategy for the situation.
University of Colorado
Looking Inside Planets
Researchers use scientific data to understand what is inside each of the planets. The first in a series of six, this lesson builds off of that concept by having pupils use a data table to create their own scale models of the interiors of...
University of Colorado
Modeling Sizes of Planets
The density of the huge planet of Saturn is 0.7 g/cm3, which means it could float in water! In the second part of 22, science pupils explore the size and order of the planets. They then calculate weight and/or gravity and density of...
University of Colorado
Looking Inside Planets
All of the gas giant's atmospheres consist of hydrogen and helium, the same gases that make up all stars. The third in a series of 22, the activity challenges pupils to make scale models of the interiors of planets in order to...
EngageNY
Percent
Extend percent understandings to include percents less than one and greater than 100. A great lesson plan has pupils build upon their knowledge of percents from sixth grade. They convert between fractions, decimals, and percents that are...
ReadMagazine
Nineteen Eight-Four
Nineteen Eighty-Four is a perfect text for an age of fake news and alternative facts. And what better way to introduce a new generation of readers to George Orwell's dystopian classic than with a reader's theatre version of the tale. The...
Beyond Benign
Breaking the Tension
The tension builds as learners experiment in your classroom. The 17th installment in a 24-part series has scholars investigate the concept of surface tension. After discovering characteristics of surface tension, they add a compound...
101 Questions
You Pour, I Choose
Tall and skinny or short and stout, which glass hold the most liquid? Learners analyze dimensions of cylindrical glasses to determine the one holding the greatest amount of liquid. They brainstorm the relevant dimensions before making...
101 Questions
Super Stairs
Keep your classes climbing in the right direction. Young mathematicians collect data from a video presentation. Using their data, they build an arithmetic sequence and use it to make predictions.
101 Questions
Money Duck
A video presentation shows duck-shaped soap that has a $1, $5, $10, $20, or $50 bill in its center. Learners consider different population distribution of the bills to determine a reasonable price for the duck.
US Institute of Peace
Simulation on Conflict Prevention in the Greater Horn of Africa
Is containing a conflict possible in the Horn of Africa? Young peacekeepers engage in a simulation that examines the multi-faceted conflict that exists between the countries of Ethiopia and Eritrea. Representatives from ten countries in...
Houghton Mifflin Harcourt
One Land, Many Trails: English Language Development Lessons (Theme 5)
English is not the only subject that requires its own set of vocabulary words—geography does too! A series of language development lessons designed to be used with Theme 5: One Land, Many Trails helps introduce readers to key vocabulary...
University of California
The Civil War: Strategies and Battles
Was it the War against Northern Aggression or the War to Unify the Union? Scholars investigate the key battles and strategies of the American Civil War to determine just why the North was victorious in the end.
Concord Consortium
Boards III
Learn to visualize mathematical patterns as a folded pattern. Beginning with a visual display, the task encourages pupils to view sequences as a folded table. The pattern of the table then becomes a formula in a spreadsheet that...
Concord Consortium
Boards IV
Build a connection between algebraic sequences and spreadsheets. Learners examine a specific folding pattern and convert the pattern into a spreadsheet. The goal of the spreadsheet is to produce a sequence of a specific pattern modeled...
Judicial Learning Center
Law and the Rule of Law
We hear a lot about the importance of the rule of law, but most people do not really know what those words mean. The lesson is a webpage that defines the rule of law, explains why it is important in a democratic society and provides...
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