IB Mathematics AI SL
Key Concepts
In the IB Mathematics Applications & Interpretation (AI) Standard Level (SL) Key Concepts section, you will find summary videos that will help you review the most important concepts and skills necessary for success. They are ideal for a quick refresher before tackling questions in the Revision Village Questionbank or Practice Exams sections of the website.
Topic 1
Number & Algebra

Rounding & Significant Figures
6 mins

Scientific Notation
5 mins

Percentage Error
5 mins

Arithmetic Sequences & Series
7 mins

Geometric Sequences & Series
10 mins

Sigma Notation
5 mins

Compound Interest & Depreciation
8 mins

Loans & Amortization
8 mins

Annuities
7 mins

GDC Tips: Finance Solver (TVM Solver)
6 mins
Topic 2
Functions

Forms of Linear Lines
7 mins

Gradients & Intercepts of Linear Lines
7 mins

Parallel & Perpendicular Gradients
3 mins

Perpendicular Bisectors
8 mins

GDC Tips: Intersection of Two Lines
4 mins

Functions: Overview & Types
7 mins

GDC Tips: Plotting Functions & Analysis Tools
9 mins

GDC Tips: Using nSolve to Solve Equations
6 mins
Topic 3
Geometry & Trigonometry

Geometry of 3D Shapes
3 mins

Pythagoras Theorem
6 mins

Right Angled Trig (Sin/Cos/Tan)
7 mins

Sine & Cosine Rule, Area of a Triangle
10 mins

Length of Arc, Area of Sector (Circles)
6 mins

Voronoi Diagrams
10 mins
Topic 4
Statistics & Probability

Mean, Median, Mode
10 mins

Quartiles, Interquartile Range, Box & Whisker
6 mins

Outliers
4 mins

Data Sampling Methods
5 mins

Independent & Dependent Variables, Scatter Plots
6 mins

Correlation: Pearson's & Spearman's
9 mins

Line of Regression Equation (& Reliability)
8 mins

Tree Diagrams (Probability)
8 mins

Venn Diagrams (Probability)
8 mins

Probability Distribution
7 mins

Binomial Distribution
7 mins

Normal Distribution
9 mins

Hypothesis Testing
7 mins
Topic 5
Calculus

Overview of Differential Calculus
6 mins

Basics of Differentiation
8 mins

Gradients of Tangents & Normals
6 mins

Turning Points (Max/Min, Optimization)
7 mins

Overview of Integral Calculus
7 mins

Basics of Anti-Differentiation
7 mins

Finding Areas Under Curves
7 mins

Trapezoidal Rule
6 mins
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Frequently Asked Questions
What are the AI SL Key Concepts?
The IB Math Applications and Interpretation (AI) SL Key Concepts section is one of the four main features on Revision Village for AI SL students (in addition to Questionbank, Practice Exams and Past Papers). The Key Concepts section includes a carefully planned set of AI SL Exam Revision Videos that students can use to refresh specific concepts (e.g. Trapezoidal Rule) that they may have missed or misunderstood in class. The revision videos typically range between 5 and 10 minutes in length and are a short and concise way for students to quickly refresh a concept, before practicing exam questions, either in the Questionbank or Practice Exams section of the Revision Village website.
How should I best use the AI SL Key Concepts?
A great way to improve in mathematics is by practicing lots of questions, but sometimes we forget key pieces of theory. It’s recommended that students use the AI SL Key Concepts in conjunction with solving exam questions. Stuck on a specific question? Go to the Key Concepts section and watch one of the revision videos that recaps the theory. It’s recommended that students then return to the original question and try and solve it again.
Do the AI SL Key Concept videos replace my textbook?
This is not the aim of the AI SL Key Concept section on Revision Village. These videos are short and concise and aim to ‘recap’ the theory, as opposed to teaching and explaining the theory, which is the purpose of textbooks. The AI SL Key Concept section on Revision Village aims to support students’ revision process by providing an easy way to quickly recap the concepts that occur frequently on Applications and Interpretation Standard Level examinations.
Who are the teachers in the AI SL Key Concept videos?
The AI SL Key Concept videos on Revision Village are taught by experienced IB Mathematics teachers and examiners, who are passionate about teaching IB Math AI SL concepts in a simple, intuitive and engaging manner. The team is dedicated to helping each and every student achieve their best possible IB Mathematics grade.