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Lesson Plan
Curated OER

Carbon 14 Dating, Variation 2

For Teachers 9th - 12th Standards
Your archaeologists begin this task with a table of values to estimate the time passed based on the half-life of Carbon 14 remaining in a plant. They then move on to find when a specific amount of Carbon 14 is present in the same plant,...
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Lesson Plan
Curated OER

Carbon 14 Dating

For Teachers 9th - 12th Standards
Evaluating and analyzing exponential functions will help your archaeologists find the amount of Carbon 14 remaining in a plant in this real-life task centered on carbon dating. Learners will also be introduced to the concept of half-life.
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Activity
Curated OER

Carbon 14 Dating in Practice I

For Teachers 9th - 12th Standards
Analyzing and evaluating exponential functions will help your archaeologists find the amount of Carbon 14 remaining in a plant in this real-life task centered on carbon dating. Learners will also be introduced to the concept of...
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Lesson Plan
Curated OER

Basketball Bounces, Assessment Variation 2

For Teachers 9th - 12th Standards
This un-scaffold summative assessment tasks learners to use the height of a bouncing basketball, given the data in graph and table form, to choose the model that is represented. Learners then use the model to answer questions about the...
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Lesson Plan
Curated OER

Basketball Bounces, Assessment Variation 1

For Teachers 9th - 12th Standards
This highly scaffolded, summative assessment tasks learners to choose the model that represents the height of a bouncing basketball given the data in graph and table form. Learners then use the model to answer questions about the...
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Lesson Plan
Curated OER

Quinoa Pasta 2

For Teachers 9th - 12th Standards
Learners discover that a system of linear equations models this mixture of quinoa and corn in a collaborative task. Your learners receive all the relevant information in this second of three variants of tasks that ask them to find the...
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Printables
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Curated OER

How Many in My Home?

For Teachers Pre-K - 1st Standards
Engage young mathematicians in practicing their counting skills while learning a little about the home environment of your students with this simple activity. By asking students to determine the number of windows, doors, rooms, people,...
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Lesson Plan
1
1
Curated OER

Increasing or Decreasing? Variation 1

For Teachers 9th - 12th Standards
Your algebra learners analyze the value of an algebraic expression to decide if it will increase, decrease, or stay the same when one variable is changed as the others stay constant. Their collaborative efforts culminate with a written...
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Lesson Plan
Curated OER

Quinoa Pasta 3

For Teachers 9th - 12th Standards
A mixture of quinoa and corn is for dinner in this collaborative task that sets up nicely as a system of linear equations. Your supper guests discuss numerical precision and percentages as they formulate a plan of how to solve the problem.
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Lesson Plan
1
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Curated OER

Increasing or Decreasing? Variation 2

For Teachers 9th - 12th Standards
Your algebra learners will manipulate an expression's form in order to make obvious the value of it increasing, decreasing, or staying the same, when one variable is changed as the others stay constant. Your future physicists'...
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Lesson Plan
National Nanotechnology Infrastructure Network

What’s the Smallest Thing You Know?

For Teachers K - 5th Standards
Elementary learners listen to a story, then sort objects from largest to smallest at six different stations around the classroom. Adaptable for a large range of age and ability groups. 
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Activity
National Nanotechnology Infrastructure Network

Scale Models

For Teachers K - 12th Standards
With instructions to adapt the activities for any grade K-12, any teacher can incorporate the concept of scale into the classroom with a simple, yet effective lesson.
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Lesson Plan
Curated OER

The Random Walk

For Teachers 9th - 12th Standards
Deep mathematical thinking is found with just a coin and a number line. Combining computing some probabilities in a discrete situation, and the interpretation of a function, this simple task gives learners a lot to think about on their...
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Lesson Plan
Curated OER

The Random Walk II

For Teachers 9th - 12th Standards
Deep mathematical thinking is found with just a coin and a number line. Combining computing some probabilities in a discrete situation, and the interpretation of a function, this simple task gives learners a lot to think about on their...
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Lesson Plan
Curated OER

Solution Sets

For Teachers 9th - 12th Standards
Here is a task that gives the graph of the solutions of a system of linear inequalities and asks learners to analyze and write the algebraic form of the systems. By turning the problem around, learners make the connections between...
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Lesson Plan
Curated OER

Cantor Set

For Teachers 9th - 12th Standards
Discover an interesting mathematical object that your algebra learners will enjoy investigating. Their adventure will lead them to the generation of a finite geometric series.
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Lesson Plan
1
1
Curated OER

Pairs of Whole Numbers

For Teachers 9th - 12th Standards
Mathematical reasoning and linear systems are two of the strategies used to solve this number puzzle. Your learners will enjoy the challenge and the variety of ways to approach this challenge.
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Lesson Plan
Curated OER

Course of Antibiotics

For Teachers 9th - 12th Standards
This model of the amount of anibiotics in a person's system is represented abstractly by a finite geometric series. Learners translate this real-life situation into algebraic form and then extend their knowlege by answering questions...
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Lesson Plan
2
2
Curated OER

Braking Distance

For Teachers 9th - 12th Standards
This real-life model of braking distance motivates learners to approach quadratic equations algebraically, numerically, graphically, and descriptively.
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Lesson Plan
1
1
Curated OER

Accurately Weighing Pennies II

For Teachers 9th - 12th Standards
Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.
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Lesson Plan
1
1
Curated OER

Accurately Weighing Pennies I

For Teachers 9th - 12th Standards
Drawing from a scenario of the history of the penny, learners write and solve a system of linear equations from a context.
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Lesson Plan
Curated OER

Throwing a Ball

For Teachers 9th - 12th Standards
Learners translate numbers, from real life scenarios of throwing a ball vertically upward, into a given formula so the remaining variable is the solution.
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Lesson Plan
1
1
Curated OER

How Much Folate?

For Teachers 9th - 12th Standards
This task includes scaffolding to support the introduction of the writing and graphing of linear inequalities. Then your geometry learners discover that writing down all possible combinations is not feasible so they are led to use...
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Lesson Plan
Curated OER

Global Positioning System I

For Teachers 9th - 12th Standards
Geometry learners touch the surface of how a global positioning system works. The end goal is to find the intersections of three different spheres geometrically and algebraically given their algebraic representations.