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  • CK-12 Foundation
10.1: Parts of the Sentence
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Explanations and examples to demonstrate how to identify independent and dependent clauses, prepositions and prepositional phrases, participle phrases and gerund phrases, and infinitives and infinitive phrases.

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Subject:
Arts
English Language Arts
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
11/15/2023
11.1: Punctuation
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Explanations and examples that demonstrate how to identify and correctly use commas with coordinating conjunctions, subordinating conjunctions, and introductory phrases; semicolons to connect independent clauses; colons to introduce lists; hyphens with modifiers; apostrophes with singular and plural possession; and dashes and parentheses for emphasis. L.9-10.2 Cap/Punc/Spell, L.11-12.2 Cap/Punc/Spell

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Subject:
Arts
English Language Arts
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
11/15/2023
1.1: Descriptive Essays
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Learn everything you need to know about writing a descriptive essay including: using language that appeals to the five senses; understanding the difference between showing and telling; identifying essays that describe people, places, objects, and events; and writing descriptive essays that use concise language, are logically organized, and address the significance of the of item being described.

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Subject:
Arts
English Language Arts
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
11/15/2023
13.1: Common Errors in Grammar and Punctuation
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Explanations and examples that teach how to identify and correct errors in subject/verb agreement, comma splices, sentence fragments, capitalization of titles and names, and use of passive voice. L.9-10.1 Grammar/Usage, L.11-12.1 Gram/Usage Conventions

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Subject:
Arts
English Language Arts
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
11/15/2023
1.5 From Quadratics to Complex Numbers
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This section introduces imaginary and complex numbers in the context of solutions to quadratic equations that don't have real-number solutions.

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Subject:
Mathematics
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
10/02/2022
2.1: Narrative Essay
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Learn to write a narrative essay by identifying the differences between descriptive and narrative essays, knowing the difference between autobiographical and biographical narratives, recognizing the structure of narratives, and identifying and stressing the importance of personal growth in a narrative essay.

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Subject:
Arts
English Language Arts
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
11/15/2023
2.2 Dividing Rational Expressions
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This section investigates the process for dividing rational expressions that are written as fractions. Additionally, it provides opportunities to explore different processes for simplifying rational expressions written as fractions prior to dividing.

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Subject:
Mathematics
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
10/02/2022
2.3 Adding and Subtracting Rational Expressions
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This section explores the process for adding and subtracting rational expressions. It primarily focuses on how to identify and use the Least Common Denominator to combine fractions with rational expressions.

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Subject:
Mathematics
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
10/02/2022
2.4 Solving Rational Equations
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This section builds from previous sections on simplifying, multiplying, dividing, adding, and subtracting rational expressions, and it investigates how to apply those skills to solving rational equations. It also covers several approaches to checking the solutions to confirm that they are correct or to determine if any are extraneous solutions.

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Subject:
Mathematics
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
10/02/2022
2.5 Simple Rational Models
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This section draws on previous sections that explored how to add, subtract, multiply, and divide rational numbers in order to solve real-world problems involving rational equations. It explores how to apply these procedures in order to solve equations.

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Subject:
Mathematics
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
10/02/2022
2.6 Solving Radical Equations
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This section explores the process for solving radical equations, including those with square, third, and fourth roots. It also investigates how, when, and why some solutions that appear to be correct are incorrect, and are therefore considered extraneous solutions.

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Subject:
Mathematics
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
10/02/2022
2.7 Simple Radical Models
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This section explores both expressions and equations with radical signs that can be modeled using real-world situations, and provides opportunities to simplify and/or solve problems that require eliminating radicals.

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Subject:
Mathematics
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
10/02/2022
2.9 Rotation Symmetry
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Find out about the ways to name rotation symmetry: order, fraction of a turn, and angle.

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Subject:
Mathematics
Material Type:
Lesson
Provider:
CK-12 Foundation
Date Added:
10/02/2022
3.1: Expository Essay
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Learn to write an expository essay by providing evidence that supports a thesis, articulating concepts and information correctly and concisely, understanding the significance of different facts and concepts, and writing an expository essay that is well organized.

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Subject:
Arts
English Language Arts
Material Type:
Module
Provider:
CK-12 Foundation
Date Added:
11/15/2023