Centers for Disease Control and Prevention
Current Cigarette Smoking Among Adults Infographic
Adult cigarette smoking has decreased in recent years, but it is still the number one cause of preventable disease and death in America. An infographic breaks cigarette smoking down by education level, geographical region, gender, race,...
Centers for Disease Control and Prevention
Youth and Tobacco Use
There are a number of social, emotional, and physiological reasons why teenagers start smoking, and why they continue smoking into adulthood. Help class members understand why smoking begins in youth—and how to protect themselves from...
Sophia Learning
Sophia: Estimations of Products: Lesson 4
This lesson will demonstrate how to make estimations when multiplying integers. It is 4 of 6 in the series titled "Estimations Of Products."
Sophia Learning
Sophia: Estimations of Products: Lesson 6
This lesson will demonstrate how to make estimations when multiplying integers. It is 6 of 6 in the series titled "Estimations Of Products."
Sophia Learning
Sophia: Using Lines of Fit for Estimations
This lesson explains that lines of fit are estimations and may differ.
Curated OER
University of Georgia: Texas Area Estimate
Drawings and discussion of several methods to estimate the area of an irregular shape, like the state of Texas.
Curated OER
University of Georgia: Texas Area Estimate
Drawings and discussion of several methods to estimate the area of an irregular shape, like the state of Texas.
Curated OER
University of Georgia: Texas Area Estimate
Drawings and discussion of several methods to estimate the area of an irregular shape, like the state of Texas.
Curated OER
University of Georgia: Texas Area Estimate
Drawings and discussion of several methods to estimate the area of an irregular shape, like the state of Texas.
US Census Bureau
U.s. Census Bureau: Puerto Rico Municipios Population
The U.S. Bureau provides this extensive text file on the estimated population of Puerto Rico by municipality from 1990 to 1999.
Sophia Learning
Sophia: Practice Estimating: Lesson 4
This lesson should provide examples of how to make good estimations. It is 4 of 4 in the series titled "Practice Estimating."
PBS
Pbs Learning Media: Examining the Evidence: Tulsa: The Fire and the Forgotten
On May 21, 1921, hundreds of Black-owned businesses and homes in the Greenwood district of Tulsa, Oklahoma, were burned to the ground, killing an estimated 100-300 Black residents and leaving an estimated 10,000 Black residents homeless....
Sophia Learning
Sophia: Order of Magnitude
This slide show presentation introduces the concept of order-of-magnitude, and how it is used to estimate large values in physics.
Sophia Learning
Sophia: Order of Magnitude
A short introduction to the concept of order-of-magnitude, with an explanation of how it is used to make estimations in physics.
Writing Fix
Writing Fix: Ace: Reading Mathematics [Pdf]
This site includes a graphic organizer to help students use the ACE acronym to help them read word problems with high comprehension. In the graphic organizer, students' reading of word problems requires them to "ask" [A], "choose" [C],...
Other
Intellicast: Daily Parcipitation in the United States
This page has a map of the United States with a key for precipitation. The key tells you the estimated precipitation for previous day.
Other
The Global Flow of People
Investigate estimates of migration flows between and within regions for five-year periods, 1990 to 2010. Click on a region to discover flows country-by-country.
Sophia Learning
Sophia: Determining Uncertainty
Take a look at this presentation which provides examples on how to determine the uncertainty in a measurement.
Sophia Learning
Sophia: Identifying Certain and Uncertain Digits
A brief overview of the use of certain and uncertain digits in measurement.
Sophia Learning
Sophia: Estimating the Area of a Circle: Lesson 4
This lesson explains how triangles and parallelograms can be used to estimate the area of a circle. It is 4 of 4 in the series titled "Estimating the Area of a Circle."
Sophia Learning
Sophia: Introduction to Estimating: Lesson 3
This lesson should help a learner understand why estimates are used when making calculations. It is 3 of 4 in the series titled "Introduction to Estimating."
Sophia Learning
Sophia: Determining Uncertainty: Lesson 2
This lesson gives examples that will teach the learner how to determine the uncertainty in a measurement. It is 2 of 4 in the series titled "Determining Uncertainty."
Sophia Learning
Sophia: Introduction to Uncertainty: Lesson 2
This lesson explains why/how uncertainty is used and why it is important to be aware of it when making measurements. It is 2 of 4 in the series titled "Introduction to Uncertainty."
Sophia Learning
Sophia: Introduction to Uncertainty: Lesson 4
This lesson explains why/how uncertainty is used and why it is important to be aware of it when making measurements. It is 4 of 4 in the series titled "Introduction to Uncertainty."
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