Math Essentials in Mathematics

Updated on August 5, 2025 | By Learnzy Academy

Math Essentials is a focused collection of the most important and foundational mathematical concepts and questions that every student should know. It covers core topics that are essential for building a strong base in mathematics and succeeding in both academics and competitive exams.

Key Features:

  1. Covers basic to intermediate level math
  2. Ideal for revision, practice, and concept clarity
  3. Includes examples and solutions
  4. Useful for students of all grades, especially Classes 6–10

Topics Typically Included:

  1. Arithmetic (Addition, Subtraction, Multiplication, Division)
  2. Fractions, Decimals, and Percentages
  3. Factors, Multiples, LCM & HCF
  4. Basic Algebra and Equations
  5. Geometry Basics (Shapes, Area, Perimeter)
  6. Mensuration (Surface Area & Volume)
  7. Data Handling and Graphs
Click here to download practice questions on Math Essentials

List of question on "Math Essentials"

  1. Davis buys a newspaper worth Rs 1.50 per day. How much will he have to pay for January and February 2021?
  2. 9² ÷ 9 × 9 + 9 = ?
  3. What is the percentage value of 1.02?
  4. A fruit seller bought mangoes at the rate of 2 mangoes for ₹ 10 and sold them at the rate of 3 mangoes for ₹ 18, what will be his percentage profit or loss?
  5. What is the sum of all prime numbers between 50 and 90?
  6. What will be the difference between LCM and HCF of 30, 36 and 90?
  7. When 33 is divided by which number the quotient will be 55?
  8. A rectangular garden is 240 m long and 120 m wide. How many poles will be needed to draw a wire around it if the distance between each pole is 20 m?
  9. A person sold his bicycle at a loss of 20% for ₹ 640, what was the purchase price of that bicycle?
  10. An aircraft took off from Chennai to America on Monday at 8:15 and reached America on Tuesday at 17:10, how much time did the aircraft take to reach America from Chennai?
  11. What are the surface area and volume formulas for common 3D shapes?
  12. What is the difference between mean, median, and mode?
  13. What is the LCM and HCF of two numbers?
  14. How to convert fractions to decimals?
  15. How to find the area of a triangle?
  16. How to solve a quadratic equation?
  17. What is the factorial of 100?
  18. What is 0 divided by 0?