Virginia Department of Education
Properties of Real Numbers
Students use paper cups and colored chips to observe properties of operations with real numbers. As a class, students brainstorm and use manipulatives to demonstrate associative, commutative, distributive identity and inverse properties....
C3 Teachers
Women’s Rights: How Can Women Achieve Equality in a Patriarchal Society?
Women today may not have heard of Madame C.J. Walker or Wilma Mankiller, and a few may not be aware of Emma Watson's current role; however, they have certainly benefited from their efforts. Using questions supplied by this guided...
Mathematics Assessment Project
Inscribing and Circumscribing Right Triangles
High schoolers attempt an assessment task requiring them to find the radii of inscribed and circumscribed circles of a right triangle with given dimensions. They then evaluate provided sample responses to consider how to improve...
Curated OER
Explore Right Angles
Students investigate right angles. In this geometry lesson plan, students define the word "angle" and create a right angle finder from an index card. Students find right angles in their classroom. As an extension activity, students try...
Mathematics Vision Project
Similarity and Right Triangle Trigonometry
Starting with similar triangles and dilation factors, this unit quickly and thoroughly progresses into the world of right triangle features and trigonometric relationships. Presented in easy-to-attack modules with copious application...
Curated OER
Investigating Segments in a Right Triangle
High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...
Curated OER
Ratios in Right Triangles
Learners calculate the sides of right triangles in this trigonometric ratios activity. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...
National Woman's History Museum
Inventive Women - Part 2
The Declaration of Independence was published in 1776. The Declaration of Sentiments and Resolutions, modeled after the Declaration of Independence, was drafted and read by Elizabeth Cady Stanton at the Seneca Falls Convention in 1848....
Curated OER
Geometric Properties
High schoolers find triangular angles using the angle theorem. In this geometry lesson, students describe labeled triangles, use the pythagorean theorem, and rewrite information about triangles in standard form.
Curated OER
Observations of Properties of Matter
To guide learners through observations of chemical samples in the lab, this resource asks them to give all formulas and complete the attached data sheet. There are multiple questions about categories of elements and general...
Curated OER
Chapter 13 Review, Section 2: Ions in Aqueous Solutions and Colligative Properties
Here is a general chemistry learning exercise that incorporates practical applications. Four questions employ critical thinking about solutions, boiling and freezing points, and molar mass. Your class will practice what they learn in...
Curated OER
2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Curated OER
2009 U. S. National Chemistry Olympiad - Local Section Exam
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
Curated OER
2001 U.S. National Chemistry Olympiad Part I
Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...
Curated OER
Dred Scott and the Constitution
Students investigate the outcome of the Dred Scott case. In this human rights lesson, students read Justice Taney's decision about property rights and citizenship. Students write essays about the outcome of the case and President...
Curated OER
Obama Hope Poster
Young scholars consider constitutional rights. In this Bill of Rights lesson, students complete an activity guide regarding the property rights regarding the Obama "Hope" poster. Young scholars respond to discussion questions pertaining...
Curated OER
WHO Wants Clean Water! Do You? Solving Conflicts Over International Water Rights Issues
High schoolers examine the water rights on an international scale. In this social studies instructional activity, students research on a specific water rights issue. They write a paper about their findings and create a PowerPoint...
Smarter Balanced
Intellectual Property
To prepare for a study of intellectual property rights, (or an assessment) introduce your learners to the legal concepts and key vocabulary associated with the debate. After defining intellectual property, copyright, fair use, and...
Centre for Education in Mathematics and Computing
Roots and the Pythagorean Theorem
In this roots and the Pythagorean Theorem worksheet, learners solve 15 different types of problems related to square roots and applying the Pythagorean Theorem. They first determine the square root of each number and then, the cube root....
Curated OER
Lesson Plan on Intellectual Property: Combating Piracy in China
Learners determine how counterfeit goods undermine the economy. In this global issues lesson, students examine economic principles. Learners discuss how international piracy and property rights undermine trade as they participate in a...
Curated OER
Properties Homework
In this properties of matter worksheet, students ask a parent or adult at home for a noun. Students then list the physical properties, the chemical properties, the extensive properties and the intensive properties of the noun. Students...
Curated OER
Properties of Salt
Students discuss certain properties of salt and how it is used every day as well as harmful uses. They experiment with salt to see it conduct electricity, form crystals and water freezing temperature. They complete a worksheet to record...
Ed Galaxy
Amazing Angles
Three letter-sized mini posters can be displayed in your elementary geometry class when teaching about angles. One provides information about degree measurement and additive properties, and the other two define acute, right, obtuse,...
Curated OER
Basic Right Triangles
Elementary schoolers examine the attributes of triangles. In this triangle activity, learners compare regular triangles and right triangles. They explore vertices and angles and investigate obtuse and acute angles. Pupils draw multiple...
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