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Class 3 Maths - Subtraction - Question Answers

Class 3 Maths - Subtraction - Question Answers

Q1: Subtract 217 from 439.
Sol: 

Step 1: Arrange the numbers in columns.
Class 3 Maths - Subtraction - Question Answers
Step 2: Subtract ones from ones.
Class 3 Maths - Subtraction - Question Answers
Step 3: Subtract tens from tens.
Class 3 Maths - Subtraction - Question Answers
Step 4: Subtract hundreds from hundreds.
Class 3 Maths - Subtraction - Question Answers
Hence, 439 - 217 = 222.


Q2: Subtract 362 from 537.
Sol:

Step 1: Write the numbers in columns.
Class 3 Maths - Subtraction - Question Answers
Step 2: Subtract ones from ones.
Class 3 Maths - Subtraction - Question Answers
Step 3: Regroup 5 hundreds 3 tens as 4 hundreds 13 tens and subtract tens from tens.
Class 3 Maths - Subtraction - Question Answers
Step 4: Subtract hundreds from hundreds.
Class 3 Maths - Subtraction - Question Answers
Hence, 537 - 362 = 175.

Q3: Subtract 476 from 725.
Sol:

Step 1: Write the numbers in columns
Class 3 Maths - Subtraction - Question Answers
Step 2: Regroup 2 tens 5 ones as 1 ten 15 ones and subtract ones from ones.
Class 3 Maths - Subtraction - Question Answers
Step 3: Regroup 7 hundreds 1 ten as 6 hundreds 11 tens and subtract tens from tens.
Class 3 Maths - Subtraction - Question Answers
Step 4: Subtract hundreds from hundreds.
Class 3 Maths - Subtraction - Question Answers
Hence, 725 - 476 = 249.

Q4: Subtract 723 from 900.

Sol:

Step 1: Write the numbers in columns.
Class 3 Maths - Subtraction - Question Answers
Step 2: Regroup 9 hundreds 0 tens as 8 hundreds 10  tens. Now, regroup 10  tens 0 ones as 9 tens 10  ones and subtract ones from ones.
Class 3 Maths - Subtraction - Question Answers
Step 3: Subtract tens from tens.
Class 3 Maths - Subtraction - Question Answers
Step 4: Subtract hundreds from hundreds.
Class 3 Maths - Subtraction - Question Answers
Hence, 900 - 723 = 177.

Q5: Subtract 43 - 43 and 123 - 123
Sol:

Class 3 Maths - Subtraction - Question Answers


Q6: Subtract 73 - 0 and 325 - 0
Sol:

Class 3 Maths - Subtraction - Question Answers


Q7: Simplify : 553 - 250 + 189.
Sol:

Class 3 Maths - Subtraction - Question Answers
Thus, 553- 250 + 189 = 492.

Q8: One day Mukesh earned ₹ 655 and spent ₹ 478. Find his savings on that day.
Sol:

Mukesh's earning = ₹ 655
His expenditure = ₹ 478
His savings = ₹ 655 - ₹ 478
Class 3 Maths - Subtraction - Question Answers
Hence, Mukesh's savings = ₹ 177.

Q9: Sum of two numbers is 485. If one of them is 359, find the other.

Sol:

Sum of two numbers = 485
One of the numbers = 359
The other number = 485 - 359
Class 3 Maths - Subtraction - Question Answers
Hence, the other number is 126.

Q10: If the sum of 374 and 504 is subtracted from 930, what number do we get as the difference?
Sol: 

The sum of 374 and 504 is 374 + 504.
Class 3 Maths - Subtraction - Question Answers
The required number is 930 - 878.
Class 3 Maths - Subtraction - Question Answers
Thus, the required number is 52.

The document Class 3 Maths - Subtraction - Question Answers is a part of the Class 3 Course Mathematics for Class 3.
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FAQs on Class 3 Maths - Subtraction - Question Answers

1. What is the basic concept of subtraction in mathematics?
Ans. Subtraction is one of the four fundamental arithmetic operations, representing the process of taking one quantity away from another. It is often denoted by the minus sign (–). For example, in the expression 7 – 3, the number 3 is subtracted from 7, resulting in 4. This operation can be visualized as removing items from a group or finding the difference between two numbers.
2. How do you borrow in subtraction when dealing with larger numbers?
Ans. Borrowing in subtraction is a technique used when the digit being subtracted is larger than the digit from which it is being subtracted. To borrow, you decrease the next left digit by one and add ten to the current digit. For example, in the subtraction 52 – 27, you cannot subtract 7 from 2, so you borrow 1 from the 5 (making it 4) and add 10 to the 2 (making it 12). Now, you can subtract 7 from 12, resulting in 5. Then, subtract 2 from 4, resulting in 2, giving a final answer of 25.
3. What are some common real-life applications of subtraction?
Ans. Subtraction is widely used in everyday life. For instance, it is used in budgeting to calculate expenses by subtracting total costs from income. It is also used in measurements, such as determining how much more of a product is needed after usage. Additionally, subtraction is essential in cooking when adjusting ingredient quantities or in sports to find point differences in scores.
4. How can subtraction help in understanding negative numbers?
Ans. Subtraction is integral to understanding negative numbers because it illustrates the concept of taking away more than what you have. For example, if you have 3 and subtract 5 (3 – 5), you end up with -2, which indicates a deficit or a position below zero. This concept is crucial in various fields such as finance and physics, where negative values represent loss or below-normal conditions.
5. What are some strategies to improve subtraction skills in children?
Ans. To enhance subtraction skills in children, various strategies can be employed. Using visual aids like counters or number lines helps them grasp the concept effectively. Engaging in games that involve subtraction can make learning fun. Additionally, practicing with worksheets and incorporating real-life scenarios that require subtraction can reinforce their understanding and fluency in the operation. Consistent practice and positive reinforcement also play significant roles in skill development.
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