National Security Agency
Expanding Place Value
Learners explore place value. This incredibly thorough and valuable mathematics lesson, has students make a number wheel to assist in the completion of a Place Value worksheet. Students use manipulatives and a place value mat to further...
National Park Service
It's Not Easy Being Grizz
Grizzly bears can be up to 600 pounds and require a great deal of food, especially to survive hibernation. Comprised of multiple games, the third lesson of five only uses one setup. Pupils run around a large field, sorting and collecting...
Alabama Learning Exchange
Binomial Expansion—Shortcut Please
There has got to be a better way; you just have to find it! Given a general binomial to expand with increasing powers, pupils realize that there must be a better way than multiple multiplications. Classmates look for patterns and use...
CK-12 Foundation
Pascal's Triangle: Pyramid Blocks
Build a pyramid of sums. An interactive presents the first five rows of Pascal's Triangle as a pyramid. Pupils match missing entries in the pyramid and continue the pattern to determine entries of other rows. The learners use the entries...
Curated OER
Expansion and Reform: Applying the Declaration of Independence
Students conduct inquiries and research-acquiring, organizing, analyzing, interpreting, evaluating, and communicating facts, themes, and general principles operating in American history. They use the Declaration of Independence to...
Curated OER
Manifest Destiny and Westward Expansion
Students explore the economic, political, racial, and religious roots of Manifest Destiny. They read articles and analyze how the concept influenced the nation's westward expansion. Students discover the motivations and expectations of...
Curated OER
The Railroads: The First Transcontinental Railroad
The move West was greatly effected by the first transcontinental railroad. Present your class with well-organized information regarding major causes, players, and effects the railroad had on the face of an expanding America. Note: A...
EngageNY
The Decimal Expansion of Some Irrational Numbers
Develop a definition of irrational numbers through an exploration of square roots. The 11th lesson in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends further and further...
It's About Time
Atoms with More Than One Electron
Provide young chemists with the ability to manipulate atoms and predict their results, in this sixth lesson. Pupils analyze energy patterns as they predict the amount of energy required to remove electrons from atoms. They compare trends...
Curated OER
Treasures and Travels
Students review basic information about the Three Gorges Dam. They discuss some of the benefits and drawbacks of the dam and write an editorial either for or against the it.
Curated OER
Imperialism Old and New
If your really want your history class to know everything about old and new imperialism, look no further. This 58-slide presentation depicts, describes, and explains everything from 19th Century expansion and the Congress of Berlin to...
Illustrative Mathematics
Identifying Rational Numbers
Eight different numbers are listed for mathematics masters to analyze. They simply tell if each number is rational or irrational. They can also explain their reasoning. A simple and straightforward worksheet that is a handy tool for...
Illustrative Mathematics
Converting Decimal Representations of Rational Numbers to Fraction Representations
A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of such...
Curated OER
The Poetry of Chinese Immigration
Numerous people from China immigrated to the US during the era of industrialization and expansion. Provide your class with a glimpse into the life of a Chinese immigrant through the poetry they left behind. They then compose a poem of...
Illustrative Mathematics
Calculating and Rounding Numbers
Mathematicians need to know that not all numbers are rational. We approximate irrational number with rational numbers. That is why a calculator may be misleading. This task give learners an opportunity to see how rounding a number and...
Texas Instruments
Exploring the Binomial Theorem
A comprehensive lesson that explores and researches Pascal's triangle and relates its properties to the Binomial Theorem through a variety of lessons. Have the class practice expanding polynomials using the theorem. A few other formulas...
Curated OER
The Mathematics of Convection: Nature's Model for Energy Production
High schoolers conduct a series of experiments to investigate density, buoyancy and climate. In this math lesson, pupils design and build a hot air balloon to demonstrate convection. They research and write a paper about solar chimneys.
Annenberg Foundation
Masculine Heroes
What were the driving forces behind American expansion in the nineteenth century, and what were its effects? Scholars watch a video, read biographies, engage in discussion, write journals and poetry, draw, and create a multimedia...
Core Knowledge Foundation
Volume 1 - A History of the United States: Precolonial to the 1800s
Volume One of the 299-page Core Knowledge History of the United States covers events from the Precolonial Period to the 1800s.
Core Knowledge Foundation
A History of the United States
This 262-page Core Knowledge teacher guide presents an overview of the two-volume History of the United States program designed for middle schoolers. The guide includes information about the learning strategies used, a pacing guide, the...
Curated OER
Taylor Series: Natural Number
In this calculus activity, students apply the Taylor Series to exponential functions based at either zero or one. There are 2 questions with multiple parts.
Curated OER
Exploring Pioneer America
Fourth graders research pioneers who had a strong influence on westward expansion. In this westward expansion lesson, 4th graders write an essay about four pioneers and an interview script about one. Students work in pairs to present...
Curated OER
Dangers of the West
Eighth graders explore the American West. For this Westward Expansion lesson, 8th graders examine primary sources to investigate the dangers travelling to and settling in the American West. Students design brochures that would help those...
Curated OER
Which Side Would You Be On?
Fourth graders describe how the French and Indian War resulted in expansion of United States Territory and analyze information from two or more sources for agreements, contradictions, facts, and opinions.