NCERT CLASS 1 MATHS CHAPTER 4 Subtraction solutions

we will delve into Class 1 NCERT Solutions for Maths Chapter 4, where you will discover the joy of subtracting numbers and solving problems with ease. So, fasten your seatbelts, and let’s dive in!

• Chapter 1 Shapes and Space
• Chapter 2 Numbers from One to Nine
• Chapter 3 Addition
• Chapter 4 Subtraction
• Chapter 5 Numbers from Ten to Twenty
• Chapter 6 Time
• Chapter 7 Measurement
• Chapter 8 Numbers from Twenty-one to Fifty
• Chapter 9 Data Handling
• Chapter 10 Patterns
• Chapter 11 Numbers
• Chapter 12 Money
• Chapter 13 How Many

Understanding Subtraction

Subtraction is a fundamental arithmetic operation that involves taking away one quantity from another. It helps us find the difference between two numbers and is an essential skill in everyday life. Whether you’re counting candies, sharing toys with friends, or calculating pocket money, subtraction plays a crucial role.

Basic Concepts of Subtraction

Before we leap into the NCERT solutions, let’s revise the basic concepts of subtraction:

1. Minuend: The number from which we subtract is called the minuend. It’s the starting number in a subtraction problem.
2. Subtrahend: The number that is subtracted from the minuend is known as the subtrahend.
3. Difference: The result we obtain after subtracting the subtrahend from the minuend is called the difference.

NCERT Class 1 Maths Chapter 4: Subtraction

Now, let’s explore the Class 1 NCERT Solutions for Maths Chapter 4, where you’ll encounter a variety of subtraction problems and learn different techniques to solve them.

Problem-Solving Approach

1. Simple Subtraction using Objects: The NCERT Solutions encourage a hands-on learning approach. For instance, you may come across problems like “You have 5 apples, and you give away 2. How many apples are left?” Here, you can draw apples or use physical objects like crayons, buttons, or pebbles to visualize and understand the concept.
2. Number Line Method: The number line is an excellent visual aid for subtraction. NCERT introduces this method to help you grasp the idea of counting backward. It will be especially useful when you encounter questions like “What is 12 – 3?”
3. Grouping Method: NCERT introduces grouping or bundling in subtraction problems. This technique helps simplify calculations when dealing with larger numbers. For example, when faced with “24 – 8,” grouping the tens and ones will make the process more manageable.
4. Real-Life Examples: The Class 1 NCERT Solutions often include real-life examples to make math relatable and interesting. These examples may involve scenarios like sharing toys, distributing candies, or counting the days until an event.

Q1: What is subtraction, and how is it different from addition?

Subtraction is an essential mathematical operation used to find the difference between two numbers or quantities. While addition helps combine two or more numbers to get a total or sum, subtraction works in the opposite way, taking away one number from another to find the remaining amount.

Q2: How do I perform subtraction with single-digit numbers?

Performing subtraction with single-digit numbers is relatively simple. You can use the concept of counting backward to find the difference. For example, to subtract 3 from 7, you start from 7 and count backward three times: 7, 6, 5, and the answer is 4. You can also use visual aids, like number lines or objects, to grasp the concept better.

Q3: What if I need to subtract larger numbers?

Subtracting larger numbers can be a bit more challenging, but fear not! The regrouping method, also known as borrowing or renaming, can be your best friend. Let’s say you want to subtract 24 from 67. Begin with the rightmost digits and subtract them accordingly (7-4 = 3). Now, for the tens place, since 4 is greater than 2, borrow 1 from 6 and add it to 2 (12-4 = 8). Thus, the answer is 43.

Q4: Is there a specific order to follow while performing subtraction?

Yes, there is! When performing subtraction, it’s essential to start from the digits on the right (ones place) and move leftwards through the tens, hundreds, and so on. This ensures a systematic and accurate calculation.

Q5: How can I check if my subtraction is correct?

A simple way to check your subtraction is to perform the inverse operation, addition. Add your result back to the number you subtracted, and if the sum matches the original number, your subtraction is correct!

Q6: Can subtraction have negative answers?

Yes, subtraction can lead to negative answers. When subtracting a larger number from a smaller one, the result is negative. For example, if you subtract 5 from 2, the answer is -3.

Q7: How can I improve my subtraction speed and accuracy?

Practice is the key to improving your subtraction skills. Regularly solve different types of subtraction problems, from simple to complex, using various methods. Flashcards, online quizzes, and math games can make learning subtraction fun and engaging!

Q8: Are there any real-life applications of subtraction?

Absolutely! Subtraction is widely used in various real-life scenarios. For instance, when counting money and giving change, finding the difference in temperatures, measuring distances between locations, or calculating the remaining time for an event to end.