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Grade 3 - Mathematics
Subtraction - 4 Digits

Method:

  1. Start subtracting from the ones place.
  2. If the subtrahend is lesser than minuend then we borrow 1 from tens place.
  3. If the subtrahend is lesser than minuend in tens place then we borrow 1 from hundreds place.
  4. If the subtrahend is lesser than minuend in hundreds place then we borrow 1 from thousands place.


Subtraction without regrouping:

Example 1:
QuestionStep 1 Step 2 Step 3Step 4

  1. Start from ones place 5 minus 5 is 0.
  2. In the tens place, 3 minus 2 is 1.
  3. In the hundreds place 4 minus 1 is 3.
  4. In thousands place, 9 minus 5 is 4.
Answer: 4310

Example 2:

  1. Start from ones place 8 minus 6 is 2.
  2. In the tens place, 9 minus 9 is 0.
  3. In the hundreds place 9 minus 8 is 1.
  4. In thousands place, 4 minus 2 is 2.
Answer: 2102


Subtraction with regrouping:

Example:

  1. Start from ones place 7 minus 2 is 5.
  2. In the tens place 3 is less than 8, so 1 is borrowed from 0 which has borrowed 1 from 3. So the result in tens place is 13 minus 8 which is 5.
  3. In the hundreds place 0 becomes 9, the result is 3.
  4. In thousands place, 3 becomes 2 and the result is 1.
Answer: 1355


Directions: Subtract the following.
Question 1: 7319
- 4946
Answer:

Question 2: 6909
- 1853
Answer:

Question 3: 9735
- 2731
Answer:

Question 4: 7445
- 6121
Answer:

Question 5: 7475
- 6654
Answer:

Question 6: 3348
- 2037
Answer:

Question 7: 2413
- 604
Answer:

Question 8: 1539
- 986
Answer:

Question 9: 6185
- 903
Answer:

Question 10: 7843
- 253
Answer:

Question 11: 7315
- 5221
Answer:

Question 12: 6312
- 4905
Answer:

Question 13: 8725
- 1711
Answer:

Question 14: 5689
- 1059
Answer:

Question 15: 9916
- 6541
Answer:

Question 16: 2726
- 1488
Answer:

Question 17: 7235
- 4580
Answer:

Question 18: 9966
- 8397
Answer:

Question 19: 5843
- 4316
Answer:

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Question 21: This question is available to subscribers only!

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