Class 8 Mathematics Part 1
Ganita Prakash Part 1
MathematicsClass 846 lessons17 hr 46 min
Class 8 Mathematics Part 1 notes for the NCERT Ganita Prakash textbook, with worked examples, every Figure it Out exercise and exam-style revision.
Modules
Lessons open in reading order. Each one is a public page.
A Square and a Cube
6 lessonsSquare numbers and square roots, patterns in squares, cube numbers and cube roots, odd-number and difference patterns, the lockers puzzle, taxicab numbers and a short history of varga and ghana.
Power Play
7 lessonsExponential notation, exponent laws, zero and negative exponents, scientific notation, growth, estimation and original mixed practice.
A Story of Numbers
8 lessonsCounting systems, place value, Roman, Egyptian, Mayan, Chinese and Hindu numerals, zero, with a gallery and mixed practice.
- Concepts: A Story of Numbers (part 1)20 min
- Methods and worked examples: A Story of Numbers22 min
- Exercise practice 1: A Story of Numbers24 min
- Exercise practice 2: A Story of Numbers26 min
- Number systems gallery26 min
- Mixed practice: A Story of Numbers24 min
- Revision and important questions: A Story of Numbers20 min
- Questions: A Story of Numbers24 min
Quadrilaterals
7 lessonsQuadrilateral families, the 360 degree angle sum, congruent-triangle proofs for rectangles, squares, parallelograms, rhombuses, kites and trapeziums, and every Figure it Out question in the chapter.
- Concepts: Quadrilaterals (part 1)22 min
- Methods and worked examples: Quadrilaterals24 min
- Exercise practice 1: Quadrilaterals26 min
- Exercise practice 2: Quadrilaterals30 min
- Construction and proof practice: Quadrilaterals20 min
- Revision and important questions: Quadrilaterals22 min
- Questions: Quadrilaterals24 min
Number Play
7 lessonsMultiples and factors, parity and algebra proofs, divisibility shortcuts for 2, 3, 4, 5, 8, 9 and 11, digital roots, cryptarithms and every Figure it Out question in the chapter.
We Distribute, Yet Things Multiply
6 lessonsThe distributive property of algebra: expanding products, the three special identities, fast multiplication by 11, 101 and 1001, and pattern reasoning with full Figure it Out solutions.
- Concepts: We Distribute, Yet Things Multiply (part 1)20 min
- Methods and worked examples: We Distribute, Yet Things Multiply22 min
- Exercise practice 1: We Distribute, Yet Things Multiply22 min
- Exercise practice 2: We Distribute, Yet Things Multiply26 min
- Revision and important questions: We Distribute, Yet Things Multiply20 min
- Questions: We Distribute, Yet Things Multiply24 min
Proportional Reasoning-1
5 lessonsRatio and proportion, missing terms, sharing, unit conversions and inverse variation, with every Figure it Out exercise and a combined revision and questions page.
