GyanBee – Class IX Math (BeeBuild Level)

📘 Module 1: Number Systems

• Real numbers

• Irrational numbers

• Laws of exponents

• Rationalization

• Representing real numbers on the number line

➕ Module 2: Polynomials

• Degree of a polynomial

• Types: linear, quadratic, cubic

• Addition, subtraction, multiplication

• Identities (a + b)², (a – b)², a² – b²

• Factorization of polynomials

🔣 Module 3: Linear Equations in Two Variables

• Standard form ax + by + c = 0

• Solutions of linear equations

• Graphical representation

• Application-based problems

🔺 Module 4: Lines and Angles

• Basic terms and definitions

• Intersecting and parallel lines

• Pair of angles (complementary, supplementary)

• Properties of angles formed by a transversal

🔻 Module 5: Triangles

• Types and classification

• Congruence of triangles (SSS, SAS, ASA, RHS)

• Properties of triangle

• Inequalities in a triangle

⭕ Module 6: Quadrilaterals

• Angle sum property

• Types of quadrilaterals

• Properties of parallelogram, rhombus, rectangle

• Midpoint theorem

• Real-life geometry (house layouts, farming plots)

📐 Module 7: Circles

• Terms related to circle (chord, arc, sector, etc.)

• Angle subtended by arc

• Perpendicular from center to chord

• Cyclic quadrilateral

📈 Module 8: Heron’s Formula

• Area of triangle when sides are known

• Applications in field area calculation

• Word problems

📏 Module 9: Surface Areas and Volumes

• Surface area and volume of:

  • Cube

  • Cuboid

  • Sphere

  • Cylinder

  • Cone

• Practical word problems (storage tanks, farming tools)

🔢 Module 10: Statistics

• Data collection and tabulation

• Frequency distribution

• Mean, median, mode

• Bar graph and histogram

• Real-life data (village health, rainfall, expenses)

📊 Module 11: Probability (Intro)

• Basic idea of chance

• Simple problems (coin, dice, card picking)

• Real-life examples (rains, boy/girl birth chance, etc.)

✅ GyanBee BeeBuild Features:

• 📽️ Video lessons in Bengali with rural examples

• 🧠 Visual & hands-on tools (rope for geometry, grains for volume)

• 📝 Worksheets + quizzes

• 🧩 Puzzle-based revision (crosswords, math detective, etc.)

• 🎓 Pre-board practice tests

• 🎯 Life-skill application of Math (e.g., savings, farming yield, local business)

🔄 Optional Add-Ons:

• Abacus/Vedic Math (Level 3)

• Career linkage: Why Class IX math is important for technical jobs, government exams, etc.