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.
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...
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.
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.
University of Waikato
Constructing an Aquifer
Rainwater doesn't stay where it falls. Learners use modeling to demonstrate how rainwater disperses once it hits the ground. The activity includes an investigation of the height of the water table in an aquifer and how it is affected by...
University of Waikato
Testing Water for Nitrate
How much is too much nitrate in the water? Young scientists discuss the question after they run their own nitrate tests. They also consider sources of nitrates and offer explanations for the levels.
PBS
Breaking Point
Leaf toughness can add to its herbivore appeal. Learns design an experiment to quantify leaf toughness and then perform their procedures. They follow the experiment with a set of questions that ask them to think about how leaf toughness...
National Wildlife Federation
Who Can Live Here?
Not all species can survive in all habitats. Using specific criteria, learners assess the fitness of a local habitat to a specific species. They collect data and suggest enhancements to create a suitable habitat for their chosen species.
National Wildlife Federation
Go with the Flow
The quality of a watershed has a direct impact on the community it services. Learners study their own watershed using a topographical map. They recreate the watershed components using colored pencils to track the upstream and downstream...
National Wildlife Federation
Soil Decomposers
Worms are the kings of the decomposers. A four-part lesson 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 the...
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...
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...
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.
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...
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,...