Federal Reserve Bank
Wait, Is Saving Good or Bad? The Paradox of Thrift
Could saving really harm the economy? Discover the paradox of thrift and how decreases in consumption can affect economic recovery and various markets and industries.
MCAS Mentor
Number Sense and Operations
In this number sense and operations learning exercise, learners solve 15 different types of problems that include reading number lines and solving inequalities. First, they write the scientific notation of various numbers given. Then,...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 4
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
California Academy of Science
Exploring the Impacts of Feeding the World
Approximately 50 percent of people in the world who are chronically hungry work in agriculture. While it seems counter-intuitive, the farther you live from a farm, the more food options are available. Scholars explore concepts related to...
Children’s Hospital of Philadelphia
The Innate Immune System
My body is my castle. Pupils learn about the innate immune system in the second lesson plan of a three-part unit on the immune system by comparing the innate immune system to a castle and moat. Groups conduct a simulation where they try...
EngageNY
Margin of Error When Estimating a Population Mean (part 1)
We know that sample data varies — it's time to quantify that variability! After calculating a sample mean, pupils calculate the margin of error. They repeat the process with a greater number of sample means and compare the results.
Science Matters
Ring of Fire
Over a period of 35 years, earthquakes and volcanoes combined only accounted for 1.5 percent of the deaths from natural disasters in the United States. The 15th lesson in a 20-part series connects the locations of earthquakes and...
Curated OER
Percent of Change, Discounted Price, and Total Price
In this percent of change worksheet, students find the percent of increase and the percent of decrease. They compute sales tax and determine the final price. Students also figure the discounted price of an...
Federal Reserve Bank
Then and Now: Fed Policy Actions During the Great Depression and Great Recession
Review the Great Depression in the United States from an economist's perspective, examining roots of the crash, government policy actions, and policies instituted by the Fed.
Curated OER
Percent Word Problems
In this word problem activity, students find the percent of a number. This two-page activity contains 18 problems. Answers are provided on the last page.
EngageNY
Problem Solving When the Percent Changes
Use more than one whole to solve percent problems. The ninth installment in a 20-part series has pupils work percent problems in which they must determine two wholes. Individuals use double number lines to represent and solve the...
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 6
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Beyond Benign
In a Lather
Time to come clean! Scholars continue preparing the shampoo they created in the previous two lessons. The purpose of this stage is to calculate the perfect amount of additive to make the shampoo lather.
EngageNY
Margin of Error When Estimating a Population Proportion (part 2)
Error does not mean something went wrong! Learners complete a problem from beginning to end using concepts developed throughout the last five lessons. They begin with a set of data, determine a population proportion, analyze their result...
EngageNY
Margin of Error When Estimating a Population Mean (part 2)
Don't leave your classes vulnerable in their calculations! Help them understand the importance of calculating a margin of error to represent the variability in their sample mean.
Math Worksheets Land
Percentages of Numbers Lesson and Practice
Quick resource for those learners who need a guide when finding percentages of a number. Provides one worked-out example and two practice problems that can be used as a handout.
Curated OER
Fractions, Decimals, and Percents Got You Down? "Tri" This!
Have your class design their own mathematical study aids. Learners collaborate in groups on the design of tri-fold presentation describing the relationships between mathematical computations. Then, they write a business letter to the...
Curated OER
The Campaign of 1840: William Henry Harrison and Tyler, Too
Students list some issues important during the campaign of 1840. They compare and contrast the careers of Martin Van Buren and William Henry Harrison before they became president and explain why the Whigs wanted to find a candidate in...
EngageNY
Comparing Quantities with Percent
Be 100 percent confident who has the most and by how much. Pupils use percentages to help make the comparisons by finding what percent one quantity is of the other. They also determine the percent differences between the two...
PBS
Soul Food Junkies: Portions
Serve up a rate of percents. The Math at the Core resource investigates the percent of daily value of sodium and saturated fats in different foods. Pupils determine the number of serving sizes they eat of popular snack foods and...
New Jersey Historical Commission and New Jersey Council for the Humanities
Thomas Edison: The Wizard of Menlo Park
What would change in your daily life due to a power outage? Here, learners explore the inventions brought to us by the one and only, Thomas Edison, and imagine a day without them. Scholars take part in a grand conversation and write a...
American Museum of Natural History
What Do You Know About the Human Microbiome?
Scholars answer 10 multiple choice questions to test their knowledge about the human body and microbes. Correct answers come with a rewarding tone and brief description.
CK-12 Foundation
Understand and Create Histograms: Car Sales
Create a history of car sales. Pupils create a histogram/bar graph to show the number of car sales made during the week. Using the data display, learners calculate numerical summaries of the data and find the percent of cars sold during...
EngageNY
Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...