IB Math AI SL 2.1 – Lines
Teach straight-line graphs and equations with this editable PowerPoint lesson for IB Mathematics: Applications and Interpretation SL. Students explore gradient, intercepts, and different forms of a line equation through clear explanations, visual examples, and guided practice.
Learning objectivesStudents will learn to:
- Graph a line using two points or its intercepts.
- Calculate and interpret gradient and intercepts.
- Write equations in gradient-intercept, general, and point-gradient form.
- Recognise parallel and perpendicular lines from their gradients.
- Solve problems involving intersections and perpendicular bisectors.
- Editable PowerPoint lesson slides with fade-in transitions.
- Definitions, annotated visuals, and step-by-step worked examples.
- Guided practice questions and contextual tips for interpreting gradient and intercepts.
Suitable for classroom teaching, digital delivery, or revision. Pair the lesson with the IB Maths AI SL 2.1 Lines Notes and IB Math AI Worksheet 2.1 – Lines for a coordinated lesson, notes, and practice set.
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