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Mental Maths for Class 9, Tips and Tricks

Mental Maths for Class 9 helps students quickly solve arithmetic problems using their minds, building confidence and strong math skills. Check this article to know everything about mental math for class 9.
authorImageNeha Tanna7 Nov, 2024
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Mental Maths for Class 9

Mental Maths for Class 9: Mental Maths for Class 9 focuses on enhancing students' quick calculation skills, logical reasoning, and problem-solving abilities, covering topics in algebra, geometry, trigonometry, statistics, and arithmetic. Students learn to solve problems mentally without relying on calculators, strengthening their grasp of fundamental mathematical concepts.

The curriculum includes exercises on number systems, equations, factorization, and mathematical patterns, encouraging students to develop analytical skills and accuracy. By practicing mental maths, students improve speed and precision, essential for competitive exams and advanced studies. Regular practice builds confidence, promotes cognitive flexibility, and helps students excel in mathematical reasoning and application.

What is Mental Maths?

Mental Maths refers to the ability to perform mathematical calculations in one's head without the use of a calculator or pen and paper. It involves quick thinking, number sense, and strategies to solve problems efficiently. For Class 9 students, mental math plays a crucial role in enhancing their problem-solving skills, improving concentration, and boosting confidence in mathematics. It includes operations such as addition, subtraction, multiplication, and division, as well as advanced concepts like fractions, percentages, and square roots. Practicing mental math helps students develop a deeper understanding of number patterns and relationships. By regularly practicing these skills, students can improve their speed and accuracy, which is particularly useful in competitive exams and daily life scenarios where quick calculations are often needed.

Mental Maths for Class 9 Overview

A summary of the key topics that students will study is given below. Using mental math strategies will improve student performance.
Mental Maths for Class 9 Overview
Number System
Polynomial
Coordinate Geometry
Linear Equations in Two Variables
Introduction to Euclid’s Geometry
Lines and Angles
Triangles
Quadrilaterals
Areas of Parallelograms
Circles
Constructions
Heron’s Formula
Surface Areas and Volumes
Statistics
Probability

How to Improve Mental Maths for Class 9 Students?

Improving mental math skills for Class 9 students involves consistent practice, understanding concepts deeply, and using various strategies to enhance speed and accuracy. Here are some effective tips to help improve mental math skills:

1. Master the Basics

Ensure the student is well-versed with basic arithmetic operations such as addition, subtraction, multiplication, and division. Practice tables (up to at least 20) and squares of numbers to make them quick with calculations.

2. Use Mental Math Tricks

For Addition/Subtraction : Break numbers into tens and units (e.g., for 47 + 56, add 40 + 50 = 90, and then add 7 + 6 = 13, so the total is 103).

For Multiplication : Break large numbers into smaller factors (e.g., for 18 × 15, use (10 × 15) + (8 × 15) = 150 + 120 = 270).

For Division : Estimate the quotient first and then adjust (e.g., for 72 ÷ 8, guess the number close to 72 divisible by 8 and refine).

3. Practice Mental Calculation Techniques

Doubling and Halving : This helps with multiplication and division. For example, 16 × 5 can be transformed into 8 × 10 = 80.

Estimation : For more complex problems, students can estimate the answer first and adjust accordingly (useful for checking answers).

4. Work on Word Problems

Practice solving word problems without using a calculator. Start with easier ones and gradually increase difficulty. Focus on breaking the problem into manageable parts and applying basic math operations.

5. Use Apps and Games

There are numerous apps like Photomath, Mental Math Master, or Mathemagics that help students improve mental calculation. These apps offer challenges and fun ways to practice. Online games like Math Bingo or Sudoku also help with number familiarity and quick mental calculation.

6. Understand Patterns and Properties

Learning patterns like number sequences, properties of numbers (even, odd, prime, multiples), and divisibility rules can speed up mental math. Recognize patterns in multiplication tables (e.g., multiplying by 9 can be simplified using the rule: subtract the number from 10 times the number).

7. Practice Regularly

Set aside time every day to practice mental math for at least 10-15 minutes. Consistent practice will improve both speed and accuracy. Use worksheets or mental math books tailored to Class 9 syllabus problems.

8. Solve Previous Years’ Papers

Solving past year papers or sample papers helps students get used to the types of questions they might encounter in exams and improves their mental math strategies.

Benefits of Mental Maths for Class 9

Mental Maths offers several benefits for Class 9 students, not only in academics but also in developing cognitive skills. Here are some key advantages:

Improved Calculation Speed : Mental Maths helps students perform calculations quickly without relying on a calculator or pen and paper, which is valuable in exams.

Boosts Concentration and Focus : It requires students to focus deeply and concentrate, improving their ability to stay attentive in various subjects.

Enhances Problem-Solving Skills : Regular practice sharpens students' ability to think critically and solve problems more efficiently, helping in both Maths and other subjects that require logical thinking.

Better Memory : Mental Maths involves memorizing tables, formulas, and patterns, which enhances memory retention and recall.

Builds Confidence : As students get better at solving problems mentally, they gain confidence in their abilities, which can positively impact their overall academic performance.

Improved Analytical Thinking : It encourages students to approach problems from different angles, improving their analytical thinking and logical reasoning.

About CuriousJr Mental Maths Classes

At CuriousJr , part of Physics Wallah, we provide specialized Mental Maths Classes that help students master problem-solving skills. With over 50 mental math strategies our program is designed to enhance both speed and accuracy in calculations. Our classes focus on developing logical reasoning and critical thinking skills enabling students to tackle complex problems effortlessly. By participating in our CuriousJr classes, you will not only improve your ability to solve challenging tasks but also strengthen your overall cognitive abilities. This empowers you to achieve more in less time making learning math an enjoyable and rewarding experience.

Mental Maths for Class 9 FAQs

What does mental math do to the brain?

Improve Cognitive Abilities: Engaging in mental math exercises helps children develop their cognitive skills, including attention, concentration, and memory.

Why do we teach mental maths?

Learning mental math keeps our minds sharp and enhances our learning abilities.

What are mental math questions?

Mental math is a group of skills that allow people to do math “in their head” without using pencil and paper or a calculator. One of these skills is remembering math facts, like 8 × 5 = 40. Other skills include rounding numbers and estimating calculations.

What is the mental math rule?

Mental math involves using strategies like estimation, number patterns, and shortcuts to perform calculations quickly without a calculator, improving speed and accuracy in solving problems.

What is another name for mental math?

It is also known as mental arithmetic, mental calculation, quick math, fast math, or doing math in your head.
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