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Lesson Plan
Curated OER

Exponential Functions

For Teachers 9th - 12th Standards
Your algebra learners analyze and interpret the general form and the graph of two functions. The increase of the function due to the multiplicative factor is emphasized.
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Lesson Plan
1
1
Curated OER

Bacteria Populations

For Teachers 9th - 12th Standards
Your young microbiologists will interpret and solve exponential equations in this real-world context task set in a hospital research scenario. Learners think in terms of the functions as well as their rates of change. 
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Lesson Plan
1
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Curated OER

Yam in the Oven

For Teachers 9th - 12th Standards
Your vegetable eaters will practice function notation statement interpretation in this short task. These few exercises will bring out misconceptions students may have about function notation as well.
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Lesson Plan
Curated OER

Cell Phones

For Teachers 9th - 12th Standards
Your texters will enjoy assessing their knowledge of function notation in this simple set of exercises. They will also interpret function notation in terms of the given context.
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Lesson Plan
Curated OER

Algae Blooms

For Teachers 9th - 12th Standards
Your microbiologists explore a changing algae population and build an exponential function modeling algae concentration from the description given of the relationship between concentrations in cells/ml and days of rapid growth.
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Lesson Plan
2
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Curated OER

Skeleton Tower

For Teachers 9th - 12th Standards
Your algebra learners build a quadratic function in this task of counting the blocks used to build objects. The arithmetic sequence that shows up brings up a shortcut to the long addition using the Gauss Method. Eventually, learners...
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Lesson Plan
Curated OER

Model Air Plane Acrobatics

For Teachers 9th - 12th Standards
Your young airplane enthusiasts will enjoy this collaborative task of graphing an airplane's distance from the ground as it flies in a perfect circle. They will discover that they have graphed a sinusoidal function that comes from the...
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Lesson Plan
1
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Curated OER

Latitude

For Teachers 9th - 12th Standards
Your young geologists generate a graph given a table of values from the context of latitude and percent of the earth's surface north of that latitude. The questions in the activity then focus the learners to a deeper understanding of the...
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Lesson Plan
1
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Curated OER

Temperature Conversions

For Teachers 9th - 12th Standards
Your young weather buffs use compositions and inverses of functions to convert between Celsius, Fahrenheit, and Kelvin degrees. Then they analyze possible compositions and whether they exist in the real-life context.
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Lesson Plan
1
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Curated OER

Susita's Account

For Teachers 9th - 12th Standards
Your algebra young scholars double their money monthly in this task based on a checking account balance. Learners write an equation to model the situation and then use their model to answer contextual questions.
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Lesson Plan
Curated OER

Summer Intern

For Teachers 9th - 12th Standards
Your young apprentices build a function describing the percent concentration of salt in a brine. The rational function is then related to the parent function, y= 1/x, and graphed. Finally, the apprentices predict the amount of fresh...
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Lesson Plan
1
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Curated OER

Seeing Dots

For Teachers 9th - 12th Standards
Your algebra learners interpret algebraic expressions, in order to compare their structures, using a geometric context. They also discern how the two expressions are equivalent and represent a pattern geometrically and algebraically.
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Lesson Plan
Curated OER

Throwing Horseshoes

For Teachers 9th - 12th Standards
Collaborative learners interpret a quadratic expression written in different forms in this task centered on throwing horseshoes.
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Lesson Plan
Curated OER

Doubling Your Money

For Teachers 9th - 12th Standards
Your young financial geniuses explore the Rule of 70 as they analyze the exponential function that models the doubling time of investments.
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Lesson Plan
1
1
Curated OER

Do Two Points Always Determine an Exponential Function?

For Teachers 9th - 12th Standards
Algebra learners explore, analyze and build an exponential equation given its form and a specific point that exists on the function in this task. The last question asks learners to apply their ideas to an exponential equation given two...
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Lesson Plan
1
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Curated OER

Equal Differences Over Equal Intervals 2

For Teachers 9th - 12th Standards
Your algebra learners explore linear functions concretely using tables of values in a collaborative task. The idea that linear function values change by equal differences over equal intervals, is emphasized. The slope and y-intercept...
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Lesson Plan
Curated OER

Equal Differences Over Equal Intervals 1

For Teachers 9th - 12th Standards
Learners explore linear functions concretely using tables of values in a cooperative task. The concept of the values of linear functions changing by equal differences over equal intervals of one is emphasized. Learners will discover the...
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Lesson Plan
Curated OER

Equal Factors Over Equal Intervals

For Teachers 9th - 12th Standards
Exponential functions and their growth rates are explored concretely using tables in a collaborative task. Then the successive quotient is explored algebraically.
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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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Printables
1
1
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
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.