Colby College
Spanish Language & Culture: Formal Commands (Part 3)
Practice answering questions with affirmative usted or ustedes commands and a direct object pronoun. Stem-changers,spelling changes, regular and irregular formal commands are included in this Colby College exercise.
Library of Congress
Loc: Poetry 180: Lift Your Right Arm
This poem gives a scenario of giving and taking orders.
Language Guide
Language Guide: Los Adjetivos Iii
A continuation of the adjective grammar tutorial explaining formation and placement with ordinal numbers and indefinite adjectives. It also explains how the meaning of adjectives can change depending on placement. Interactive audio helps...
Robin L. Simmons
Grammar Bytes: Commas: Exercise 1
This Grammar Bytes site shares an interactive commas quiz. Given two options per question, students will choose the option that will fix the comma error. A downloadable handout is available to keep track of the students' answers.
Robin L. Simmons
Grammar Bytes: The Sentence Fragment
Printable information is provided that demonstrates how to identify a sentence fragment.
Repeat After Us
Repeat After Us: Artists Wrestled Here!
A poem from Emily Dickinson, "Artists Wrestled Here!", is provided on this site. Students may listen to this poem read aloud by Scott Becker and can access a printable version of this piece.
Repeat After Us
Repeat After Us: At Last, to Be Identified!
A poem from Emily Dickinson, "At Last, to Be Identified!", is provided on this site. Students may listen to this poem read aloud by Jeff Kiok and can access a printable version of this piece.
Rong-Chang ESL
Esl: English for Intermediate Learners (2): The Final Phone Call
A learning module geared toward English as a Second Language Learners. Students read and/or listen to a short text entitled "The Final Phone Call" and click on the links below to increase comprehension and vocabulary skills. Students can...
Concord Consortium
The Concord Consortium: Molecular Workbench: Ideal Gas Laws
Use the links on this page to view simulations for various gas laws.
Concord Consortium
Concord Consortium: Molecular Workbench: Loschmidt's Paradox
Use this simulation to observe how Loschmidt's Paradox affects the entropy of an isolated system.
CK-12 Foundation
Ck 12: Earth Science: Processes of the Water Cycle
Learn and understand the water cycle. [Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Biology: How Earth Formed
[Free Registration/Login may be required to access all resource tools.] Describes the Earth's formation.
Khan Academy
Khan Academy: Factor Polynomials: Quadratic Methods
Factor polynomials that are the product of a monomial and a quadratic expression, then further factor the quadratic expression. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...
Khan Academy
Khan Academy: Add and Subtract Polynomials: Find the Error
Choose the step where an error was made in adding or subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Parts of Complex Numbers
Determine the real and the imaginary parts of complex numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Classify Complex Numbers
Classify numbers as real, pure imaginary, or complex. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Divide Complex Numbers
Given a complex number division problem, express the result as a complex number of the form a+bi. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Factor Polynomials: Complex Numbers
Identify correctly factored forms of given polynomials. Factorizations may use complex numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra Ii: Divide Polynomials by Linear Expressions
Rewrite rational expressions of the form a(x)/b(x), where a(x) is a polynomial and b(x) is a linear binomial, in the form q(x)+r(x)/b(x), where q(x) and r(x) are polynomials and the degree of r(x) is less than the degree of b(x)....
Khan Academy
Khan Academy: Algebra Ii: Trig Values of Special Angles
Find the sine and cosine of special angles, which are angles whose trig values we can determine without the use of a calculator. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Algebra Ii: Evaluate Logarithms: Change of Base Rule
Evaluate any logarithm in a calculator with the use of the change of base formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Algebra I: Compare Quadratic Functions
Compare the properties of two quadratic functions, each represented in a different way. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Khan Academy
Khan Academy: Systems of Equations With Elimination
Solve systems of equation with one-step elimination (e.g., x-values or y-values cancel each other out). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Solutions of Systems of Equations
Verify whether a given pair of values is a solution to a system of equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.