CBSE Class 2 Mathematics Subtraction Assignment

Assignment -4 Subtraction

1. Solve the following:

Question 1. 278 - 216
Answer: \(278 - 216 = 62\)
In simple words: Subtract the ones, tens, and hundreds columns separately from right to left.

Exam Tip: Always align numbers by their place value columns before subtracting.

Question 2. 658 - 333
Answer: \(658 - 333 = 325\)
In simple words: Subtract 3 from 8 (ones), 3 from 5 (tens), and 3 from 6 (hundreds).

Exam Tip: Check your subtraction by adding the answer to the smaller number to get the original larger number.

Question 3. 458 - 305
Answer: \(458 - 305 = 153\)
In simple words: Subtract column by column to find the difference.

Exam Tip: Zero in the tens place means you subtract nothing from that digit.

Question 4. 119 - 105
Answer: \(119 - 105 = 14\)
In simple words: Subtract 5 from 9 in the ones place, 0 from 1 in the tens place, and 1 from 1 in the hundreds place.

Exam Tip: Line up digits carefully to avoid place value errors.

Question 5. 269 - 118
Answer: \(269 - 118 = 151\)
In simple words: Subtract each corresponding digit from right to left.

Exam Tip: Work methodically from right to left.

Question 6. 792 - 272
Answer: \(792 - 272 = 520\)
In simple words: Subtract ones, tens, and hundreds to get 520.

Exam Tip: Notice that \(2 - 2 = 0\) in the ones column.

Question 7. 656 - 424
Answer: \(656 - 424 = 232\)
In simple words: Perform simple column-wise subtraction without borrowing.

Exam Tip: Verify each column separately.

Question 8. 456 - 32
Answer: \(456 - 32 = 424\)

In simple words: Align 32 under the tens and ones places of 456 and subtract.

Exam Tip: Be careful when subtracting a 2-digit number from a 3-digit number to align the right columns.

Question 9. 119 - 104
Answer: \(119 - 104 = 15\)
In simple words: Subtract 4 from 9, 0 from 1, and 1 from 1.

Question 10. 168 - 157
Answer: \(168 - 157 = 11\)
In simple words: Subtract ones, tens, and hundreds to find the difference of 11.

Exam Tip: Leading zeros in the hundreds place can be omitted.

Question 11. 865 - 540
Answer: \(865 - 540 = 325\)
In simple words: Subtract 540 from 865 column by column.

Exam Tip: Subtracting zero leaves the digit unchanged.

Question 12. 421 - 211
Answer: \(421 - 211 = 210\)
In simple words: Subtract 211 from 421 to get 210.

Exam Tip: Double-check the ones column: \(1 - 1 = 0\).

Question 13. 488 - 381
Answer: \(488 - 381 = 107\)
In simple words: Subtract corresponding digits from right to left.

Exam Tip: Pay attention to the zero in the tens place of the result.

Question 14. 944 - 201
Answer: \(944 - 201 = 743\)
In simple words: Subtract 201 from 944 to get 743.

Exam Tip: Subtracting 0 in the tens place leaves 4 unchanged.

Question 15. 279 - 157
Answer: \(279 - 157 = 122\)
In simple words: Subtract 157 from 279 step by step.

Exam Tip: Verify your work by adding 122 and 157.

Subtraction Worksheet

Question 1. 615 - 309
Answer: 615 - 309 = 306
In simple words: Borrow 1 from the tens column to make 15 in the ones place, then subtract.

Exam Tip: Borrowing is required when the top digit is smaller than the bottom digit.

Question 2. 939 - 209
Answer: 939 - 209 = 730
In simple words: Subtract ones, tens, and hundreds columns directly.

Exam Tip: \(9 - 9 = 0\) in the ones place.

Question 3. 865 - 408
Answer: 865 - 408 = 457
In simple words: Borrow from the tens column to subtract 8 from 5.

Exam Tip: Always reduce the tens digit by 1 when you borrow from it.

Question 4. 939 - 405
Answer: 939 - 405 = 534
In simple words: Subtract 405 from 939 column by column.

Question 5. 972 - 303
Answer: 972 - 303 = 669
In simple words: Borrow from the tens place since 2 is smaller than 3.

Exam Tip: The 7 in the tens place becomes 6 after borrowing.

Question 6. 790 - 307
Answer: 790 - 307 = 483
In simple words: Borrow from the tens place to subtract 7 from 10.

Exam Tip: A zero in the ones place requires borrowing from the tens column.

Question 7. 691 - 303
Answer: 691 - 303 = 388
In simple words: Borrow from the tens place to compute \(11 - 3\).

Exam Tip: Take care with sequential borrowing steps.

Question 8. 894 - 309
Answer: 894 - 309 = 585
In simple words: Borrow 1 from the tens place for the ones column.

Exam Tip: Check your subtraction using addition.

Question 9. 878 - 405
Answer: 878 - 405 = 473
In simple words: Subtract 405 from 878 directly without borrowing.

Question 10. 970 - 309
Answer: 970 - 309 = 661
In simple words: Borrow from the tens place to calculate \(10 - 9\).

Exam Tip: The tens digit 7 becomes 6 after lending 1 to the ones place.

Question 11. 957 - 209
Answer: 957 - 209 = 748
In simple words: Borrow from the tens place to subtract 9 from 17.

Exam Tip: Always reduce the tens column value by 1 when borrowing.

Question 12. 741 - 409
Answer: 741 - 409 = 332
In simple words: Borrow from the tens place to make \(11 - 9\).

Exam Tip: Double check your borrowing process.

Question 13. 793 - 307
Answer: 793 - 307 = 486
In simple words: Borrow from the tens place to calculate \(13 - 7\).

Exam Tip: Neat handwriting helps prevent column alignment mistakes.

Question 14. 777 - 303
Answer: 777 - 303 = 474
In simple words: Subtract corresponding digits from right to left.

Exam Tip: No borrowing is needed for this problem.

Question 15. 712 - 309
Answer: 712 - 309 = 403
In simple words: Borrow across columns to subtract 9 from 12 and 0 from 0.

Exam Tip: Be careful with zeros resulting from subtraction.

Subtraction worksheet

Solve the following:

Question 1. 170 - 70 = ________
Answer: 100
In simple words: Subtracting 70 from 170 leaves 100.

Exam Tip: Subtracting numbers with the same tens and ones digits leaves just the hundreds place.

Question 2. 140 - 20 = ________
Answer: 120
In simple words: Take away 20 from 140 to get 120.

Exam Tip: Subtract the tens digits: \(4 - 2 = 2\).

Question 3. 135 - 115 = ________
Answer: 20
In simple words: Find the difference between 135 and 115.

Question 4. 129 - 105 = ________
Answer: 24
In simple words: Subtract 105 from 129 to get 24.

Exam Tip: Subtract column by column: ones from ones, tens from tens.

Question 5. 144 - 114 = ____
Answer: 30
In simple words: Subtracting 114 from 144 results in 30.

Exam Tip: Notice the matching ones and tens digits in the subtraction.

Question 6. 190 - 140 =____
Answer: 50
In simple words: Subtract 140 from 190 to find 50.

Exam Tip: Subtracting hundreds gives 0, and \(90 - 40 = 50\).

Question 7. 145 - 40 =____
Answer: 105
In simple words: Take 40 away from 145 to remain with 105.

Exam Tip: Align tens under tens properly.

Question 8. 135 - 120 = ____
Answer: 15
In simple words: Subtract 120 from 135 to get 15.

Exam Tip: Subtracting close numbers can be done mentally.

3. Write in column and subtract:

Question a. 929 - 804
Answer: 929 - 804 = 125
In simple words: Arrange the numbers vertically and subtract each column.

Exam Tip: Always write the larger number on top.

Question b. 468 - 357
Answer: 468 - 357 = 111
In simple words: Align vertically and subtract column by column.

Exam Tip: Check column alignment before starting.

Question c. 567 - 456
Answer: 567 - 456 = 111
In simple words: Set up in column form and subtract to find 111.

Exam Tip: Proper vertical alignment prevents calculation errors.

Question d. 697 - 484
Answer: 697 - 484 = 213
In simple words: Write in vertical columns and subtract to get 213.

Exam Tip: Subtract from right to left: ones, then tens, then hundreds.