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Why Mental Maths is a Life Skill Every Child Should Learn?

Mental maths strengthens a child's ability to calculate faster and think critically. Check out easy methods to help them become better at mental maths!
authorImageJasdeep Singh25 Apr, 2025
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Math is part of everyday life, shaping how we plan, solve problems, and make decisions. Whether estimating grocery costs, managing time, or handling money, numbers are always involved. 

While digital tools provide quick answers, relying on them too much can make kids uncertain when faced with basic calculations.

Mental math helps bridge this gap, allowing children to solve problems quickly without a calculator, pencil, or paper. 

Strengthening this skill builds confidence, sharpens logical thinking, and improves quick decision-making.

In this blog post, learn practical and engaging ways to help your child develop strong mental math skills through daily activities.

What is Mental Maths? A Guide for Beginners

What is Mental Maths?

Mental maths refers to performing mathematical calculations in one’s mind without using external tools such as calculators, paper, or even fingers.

It involves techniques that allow children to solve problems quickly and efficiently by recognizing patterns, estimating results, and applying mathematical logic.

For example, if a child sees a 20% discount on a toy priced at $50, they should be able to mentally calculate that the discount is $10, making the final price $40. This ability not only saves time but also builds confidence in handling numbers.

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Why is Mental Maths a Life Skill?

Mental maths is more than just a subject taught in school; it is a skill that influences many aspects of a child’s daily life. Here’s why every child should develop strong mental maths skills.

1. Builds a Strong Mathematical Foundation

A child's ability to understand numbers and how they relate to each other plays an important role in their learning journey. Relying solely on memorized formulas without grasping the reasoning behind them can make maths feel challenging and discouraging.

Mental maths helps children:

  • Break numbers into smaller, manageable parts for quicker calculations (e.g., solving 47 + 38 by thinking of it as 47 + 40 - 2).

  • Develop number sense and adaptability, which supports understanding more advanced topics like algebra, geometry, and calculus.

  • Strengthen arithmetic skills without needing calculators or other tools, making them more confident in handling numbers.

A strong foundation in mental maths makes it easier for children to advance in complex mathematical concepts and apply problem-solving skills in everyday situations.

2. Enhances Problem-Solving and Critical Thinking Skills

Mental maths is not just about numbers; it’s about training the brain to think logically and efficiently. When a child calculates mentally, they:

  • Recognize patterns in numbers.

  • Apply different strategies to solve problems.

  • Develop logical reasoning skills.

For example, if a child is playing a game and wants to know how many points they need to win, they should be able to quickly analyze the numbers and determine their next move.

This ability to think critically extends beyond maths and helps in other areas, such as science, engineering, and even everyday decision-making.

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3. Improves Memory and Concentration

When performing mental calculations, children must hold multiple numbers in their minds while manipulating them. This strengthens memory and focus, helping them in all academic subjects. 

For example, to solve 68 × 4, a child might think: (68 × 2) = 136, then 136 × 2 = 272. 

This process improves their ability to retain and recall information. Regular mental maths practice also enhances concentration, allowing children to stay focused for longer periods, which is beneficial during exams and other learning activities.

3. Increases Speed and Accuracy

Mental maths helps children solve problems quickly, which is valuable in time-sensitive situations like tests and everyday activities. Instead of using a calculator to find 25% of 240, they can mentally divide by 4 to get 60. 

This method speeds up problem-solving and reduces errors. Whether estimating travel time, quickly checking bill totals, or making split-second decisions in sports, strong mental maths skills ensure children are both fast and accurate in their calculations.

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4. Develops Financial Literacy

One of the most practical applications of mental maths is in money management. When children develop mental calculation skills, they:

  • Learn to estimate total costs while shopping.

  • Understand how discounts and interest rates work.

  • Develop budgeting skills and financial awareness.

For example, if a child receives $50 per week in allowance and wants to buy a toy for $120, they should be able to calculate how many weeks they need to save to afford it.

Financial literacy is an essential life skill, and mental maths plays a key role in teaching children how to handle money responsibly.

5. Boosts Confidence and Reduces Math Anxiety

For many children, maths can feel overwhelming, leading to frustration and self-doubt. Mental maths helps build confidence by making problem-solving more approachable and manageable. 

Instead of relying solely on memorization, children learn effective strategies to work through calculations efficiently, which lowers stress. 

A child who quickly solves 17 × 5 by thinking (17 × 10) divided by 2 equals 85 gains a sense of accomplishment.

As their skills improve, they become more engaged in class, participate actively, and develop a more optimistic attitude toward learning, not just in maths but in other subjects as well.

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7. Fosters Self-Reliance and Decision-Making Skills

Mental maths equips children with the ability to handle everyday calculations confidently, reducing their dependence on calculators or outside help.

Whether estimating the total cost of items while shopping, figuring out the correct change after a purchase, or adjusting ingredient measurements while cooking, these skills encourage independence. 

A child planning their weekly allowance can quickly determine how much they need to save for a favorite toy. When traveling, they can estimate arrival times based on speed and distance. 

Developing this self-sufficiency not only boosts confidence but also prepares them to make quick and informed decisions in academics, finances, and daily activities.

How to Improve Mental Maths Skills?

Strengthening mental maths skills involves regular practice and strategic techniques that enhance calculation speed, accuracy, and confidence.

The following methods help children develop a sharper numerical sense, making problem-solving easier and more intuitive in both academic and everyday situations.

1. Start with Basic Addition and Subtraction

The first step to building mental maths skills is to ensure that children are comfortable with basic addition and subtraction. These operations are the foundation upon which all other mathematical concepts are built. 

Without a strong grasp of simple sums, more complex calculations will seem difficult and frustrating.

Children should practice mental calculations like 9 + 6, 15 - 7, and 8 × 3 until they can recall the answers instantly. Repeated exposure to these types of problems strengthens number sense and allows children to recognize patterns naturally. 

A great way to reinforce these skills is by integrating them into everyday activities, such as asking a child to calculate how many apples are left after using a few from a basket. 

The ability to add and subtract quickly without counting on fingers will make learning multiplication, division, and problem-solving much easier as they progress.

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2. Use Visualization Techniques

Numbers can sometimes feel abstract, especially for young learners. Using visualization techniques helps children better understand how numbers work and relate to each other. 

One effective method is to use a number line, which allows children to physically see how numbers increase or decrease when adding or subtracting. Another approach is to use everyday objects like coins, blocks, or beads to represent numbers. 

For example, if a child is learning that 7 + 3 = 10, they can place seven marbles in one group and three in another, then count them together to see how they form ten. 

As children grow more confident, they can move to mental visualization, where they picture numbers in their heads rather than relying on physical objects. 

This method strengthens mental processing skills, helping children perform calculations quickly without needing written support. Over time, visualization also helps children break numbers apart to simplify more complex problems.

3. Play Mental Maths Games

Learning becomes much easier and enjoyable when it feels like a game. Mental maths games provide an engaging way for children to practice calculations without feeling like they are studying.

Board games like Monopoly help children understand money transactions and strategic thinking, while Chess encourages logical reasoning and pattern recognition.

Sudoku puzzles sharpen number placement skills, forcing children to think critically about the relationships between numbers. 

Card games like “Math War,” where two players draw cards and compete to see who can add or multiply the values faster, are also great tools. 

These activities transform learning into a fun experience, keeping children motivated and interested in improving their maths abilities.

When children engage in games, they develop confidence in handling numbers and strengthen their ability to solve problems without relying on external tools.

4. Introduce Multiplication and Division Tricks

Multiplication and division are often seen as challenging for young learners, but certain tricks can make them much easier. One useful approach is doubling and halving, which allows children to simplify complex multiplication problems. 

For example, instead of solving 16 × 5 directly, a child can break it down into 8 × 10, which is much easier to calculate mentally. Another technique is using the distributive property, which involves breaking numbers apart into more manageable sections. 

If a child needs to solve 18 × 5, they can think of it as (18 × 10) ÷ 2. This method allows them to first multiply by 10, which is straightforward, and then divide by 2 for the final answer. 

Learning multiplication patterns, such as recognizing that multiplying by 5 always results in a number ending in 0 or 5, also speeds up mental calculations. These strategies help children handle larger numbers confidently and make multiplication and division feel less overwhelming.

5. Use Flashcards and Quick Quizzes

One of the best ways to strengthen mental maths skills is through regular practice with flashcards and short quizzes.

Flashcards with simple addition, subtraction, multiplication, and division problems encourage quick recall, training the brain to respond faster. 

A great way to use them is by timing a child to see how many problems they can solve in a minute, then challenging them to beat their previous record. This turns learning into an exciting challenge rather than a tedious task. 

Another effective approach is to ask mental maths questions randomly throughout the day, such as during car rides or while setting the dinner table. This keeps children engaged with numbers and reinforces their learning without making it feel like formal study time. 

Quick quizzes can also be incorporated into daily routines, encouraging children to apply their skills in different situations. The more often they practice, the more comfortable they become with solving problems in their heads.

6. Encourage Daily Practice

Mental maths, like any skill, improves with consistent practice. Just 5–10 minutes a day can significantly enhance a child's ability to solve problems quickly and confidently. 

Short and frequent practice sessions are far more effective than long, infrequent study periods. Parents can make mental maths part of daily activities by asking their children to help with quick calculations. 

For example, they might estimate the total cost while grocery shopping, figure out the time left before bedtime, or calculate the number of spoons needed for a family dinner.

Another method is to encourage children to set small daily goals, such as solving a certain number of problems correctly in a row. 

Developing a routine around mental maths ensures that children gradually build their speed and accuracy over time. A daily habit of engaging with numbers helps make mental maths feel natural rather than a forced activity, leading to long-term success.

7. Reward Progress and Make Learning Fun

Recognizing a child’s progress keeps them motivated to continue improving. Rewards do not have to be materialistic; simple praise, encouragement, or creating a “Math Champion” chart can make a big difference. 

When children feel acknowledged for their efforts, they develop a positive attitude toward learning. Parents and teachers can set up friendly competitions, such as seeing who can solve a problem fastest or challenging children to beat their own previous scores. 

Another way to keep learning enjoyable is by incorporating real-life applications. For example, letting children be in charge of calculating change when making a purchase can make them feel responsible and accomplished. 

Mixing rewards with engaging learning activities prevents mental maths from feeling like a chore. The goal is to create an environment where children feel excited to develop their skills and confident in their abilities.

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Regular practice sharpens mental math skills, but expert guidance helps children excel even faster.

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FAQs

How does mental maths differ from written calculations?

Mental maths focuses on quick thinking and number manipulation in the mind, while written calculations involve step-by-step problem-solving using paper or digital tools.

At what age should children start learning mental maths?

Children can start developing mental maths skills as early as preschool by practicing simple counting, addition, and subtraction.

What are some common mistakes children make when doing mental maths?

Errors often occur due to rushing, not double-checking answers, or misinterpreting numbers in their heads.

What are some effective mental maths drills that parents can do with their children?

Daily quick-fire quizzes, estimation challenges while shopping, and mental multiplication races can help strengthen skills.
Curious Jr By PW

Curious Jr By PW

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