

Topic: Calculus
Level: IB Mathematics: Analysis and Approaches (HL)
File Type: Editable Slides / Lesson Presentation
Overview
This resource introduces indefinite integrals as the reverse process of differentiation.
Students will explore how integration can be used to find families of functions and learn to solve integrals involving basic algebraic, trigonometric, and exponential forms. The lesson builds a conceptual link between the derivative and the antiderivative, emphasizing how integration generalizes differentiation.
Through clear visual explanations and guided examples, students will develop the skills to integrate functions both by inspection and using substitution when appropriate.
Learning Objectives
By the end of this lesson, students will be able to:
- Define indefinite integrals as the antiderivative of a function.
- Recognize the relationship between differentiation and integration.
- Apply the power rule for indefinite integration.
- Use integration by inspection for simple compositions of functions.
- Apply u-substitution for integrals that involve a function and its derivative.
- Verify results by differentiating to check correctness.
What’s Included
- Introduction to the definition and meaning of indefinite integration.
- Explanation of integration as the “reverse” of differentiation.
- Worked examples illustrating integration by inspection for different function types.
- Step-by-step practice problems on power rule, exponential, and trigonometric integrals.
- Visual guide explaining when to use substitution and how to identify inner and outer functions.
- Example problems involving substitution with complete worked solutions.
- Summary slide listing types of functions to substitute and common patterns to recognize.
Topics Covered
- Concept of indefinite integrals.
- Integration as the reverse of differentiation.
- Power rule and exponential integrals.
- Trigonometric integrals involving sine, cosine, and tangent.
- Integration by inspection and substitution.
- Checking results using differentiation.
Why You’ll Love It
- Provides a structured and clear foundation for understanding integration.
- Includes examples, explanations, and guided problem solving.
- Connects calculus operations conceptually and procedurally.
- Fully aligned with IB Math HL Topic 5: Calculus (Applications and Interpretation HL).
- Ready-to-teach slides suitable for class presentation or independent learning.
Tags: IB Math HL, Indefinite Integrals, Integration by Inspection, Substitution, Antiderivatives, Calculus, IB Curriculum, Lesson Slides
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