Class 9 Mathematics Exercise # 1.1 Notes – Real Numbers (FBISE SLO-Based)
Exercise 1.1 is the foundation of the Real Numbers chapter in the 9th Class Mathematics book, aligned with the FBISE SLO-based curriculum 2025. This section introduces core concepts such as natural numbers, whole numbers, integers, rational numbers, and irrational numbers — essential for understanding later units in algebra and geometry. To help you prepare effectively, we’ve provided detailed and exam-relevant solutions of Class 9 Math Exercise # 1.1 in the embedded PDF viewer below. These notes follow the board’s competency-based framework and include important questions that often appear in board exams. Students studying under other boards like Punjab, Sindh, KP, and Balochistan can also benefit from these notes as the syllabus is closely aligned. Whether you’re practicing independently or preparing for class assessments, these real number-based solutions will improve your confidence in solving rational/irrational number classification, number line representation, and square root approximations.
We recommend completing this exercise with proper steps and formatting, as board checkers appreciate clarity. Make sure to review the SLOs (Student Learning Outcomes) to stay on track with exam patterns.
Related Exercises
Exercise # 1.2 Notes – Real Numbers
Exercise # 1.3 Notes – Real Numbers
Miscellaneous Exercise # 1 Notes – Real Numbers
Want a clean printable version of this entire chapter? You can request the full-length PDF from our download page. These SLO-based notes are curated to help you understand the logic behind every step — perfect for board preparation.
