National Wildlife Federation
Soil Decomposers
Worms are the kings of the decomposers. A four-part lesson plan has learners experiment with the characteristics of earthworms and their sensitivities. They vary factors such as light, acidity, temperature, and touch of soil and observe...
Curated OER
Organizing and Understanding, Step-by-Step
Use this number comparison and counting worksheet as an overhead projection for the whole class, because the answer is explained on the bottom half of the sheet. Cover the answer and reveal it once learners have tried it themselves. They...
Curated OER
Comparing and Ordering
Before handing out this number comparison activity, ask scholars to pick a number between 20 and 50. Could they do it? Explain that they chose a number greater than 20 and less than 50, which is exactly what they will be doing next. Each...
Curated OER
Comparing
Practice the comparison words lighter, heavier, longer, shorter, smaller, and bigger using this visual chart. For each set of three objects, pupils order them according to one of these terms. The six terms are illustrated above for...
Curated OER
Ordering Sets of Numbers
There are mixed and whole numbers in these sets; can your scholars put them in order from least to greatest? For each set they put five numbers in order, paying close attention to the whole numbers attached to the fractions. Learners...
Alabama Learning Exchange
Sky High
How are skyscrapers built? What does it take to make a structurally sound building? How can one work within a budget to complete a building project? These guiding questions will be investigated and answered within a hands-on lesson....
Illustrative Mathematics
Track Practice
And they're off! While two runners are at track practice, your mathematicians' job is to find out who leaves the other in the dust. The activity provides a variety of data that can be computed into unit rates for comparisons. Available...
Curated OER
The Writer’s Toolbox: What You Need to Master the Craft
All the tools (and directions) you’ll need to build an essay are included in a resource designed for learners and educators. The packet can be given to class members or divided into sections and used as part of a series of lesson on the...
Central Oregon Community College
Things Fall Apart Study Guide
“There is no story that is not true.” And Chinua Achebe’s Things Fall Apart, uses proverbs (“. . .the palm-oil with which words are eaten”), a compelling tragic hero, and historic events, to engage readers in the truth of his story of...
EngageNY
Similarity and the Angle Bisector Theorem
Identifying and verifying reproducible patterns in mathematics is an essential skill. Mathematicians identify the relationship of sides when an angle is bisected in a triangle. Once the pupils determine the relationship, they prove it to...
Computer Science Unplugged
Kid Krypto–Public-Key Encryption
Class members have an opportunity to experience how to use a public key to encrypt information and a private key to decrypt it. Groups create their own public key and encrypt information then develop private keys to decrypt this...
K12 Reader
Robert Burns’ Poetry: A Red, Red Rose
Regional dialect can make a lovely poem even more beautiful. After translating the Scots words in "A Red, Red Rose" into modern English, class members identify the two similes Robert Burns uses in his poem.
Willow Tree
Graphing
So many methods and so little time! The efficient method of graphing a linear equation depends on what information the problem gives. Pupils learn three different methods of graphing linear equations. They graph equations using...
Willow Tree
Line Graphs
Some data just doesn't follow a straight path. Learners use line graphs to represent data that changes over time. They use the graphs to analyze the data and make conclusions.
It's About Time
The Earth-Moon System
Explore the earth-moon system with blossoming astronomers in this fun-filled activity. They begin by investigating lunar phases and differentiating between each. They continue the activity by learning about tidal forces and how these are...
EngageNY
True and False Equations
What does English have to do with math? Teach your class the "grammar" of a number sentence. Sentences with correct grammar can be false! Understanding of a number sentence leads to a comparison with equations.
Balanced Assessment
Lotto
You can't win if you don't play! Find out how to increase your chances of winning the lottery. Scholars analyze a state lottery system for the probability of winning. They also consider different combinations of numbers and how they...
EngageNY
Solving Equations Involving Linear Transformations of the Coordinate Space
Explore methods for solving linear systems with your classes and introduce learners to using matrices as a viable method. Scholars are able to recognize situations where matrices are the efficient method of solving. Application questions...
EngageNY
Exponential Decay
I just bought that car, how can its value decrease already? Individuals use the data of a depreciating car value to create an exponential decay model. They then compare exponential decay and growth equations.
Science Matters
Slip Sliding Along
The San Andreas Fault is the largest earthquake-producing fault in California. In the seventh lesson in the 20 part series, pupils create maps of California, focusing on the San Andreas Fault system. The comparison of where California is...
Concord Consortium
Betweenness IV
Challenge your classes to think between the curves. Given two function formed by the combination of two exponential functions, individuals must write three functions in which all values would lie between the given. The question is...
101 Questions
Retina Display
Learners calculate the pixel density of a specific cell phone using the concept of similarity. They use information from the cell phone's website to make their calculations and then compare their results to the posted information.
PBS
Atlantean Dodgeball
Which team has the advantage? An imaginary story about a game of dodgeball in the lost city of Atlantis demonstrates the ways to compare two quantities. One coach compares the ratios of the numbers of players on each team while the other...
Space Awareness
Meet Our Home: Earth
Earth is a complex structure. Learners explore their home, the earth, using a fun hands-on activity. They create tactile models of the earth using ordinary household materials that represent some common features: land, polar caps,...