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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: 5090
- 12
Answer:

Question 2: 8076
- 1802
Answer:

Question 3: 7927
- 7001
Answer:

Question 4: 3214
- 2995
Answer:

Question 5: 9155
- 8320
Answer:

Question 6: 6189
- 3378
Answer:

Question 7: 9721
- 8744
Answer:

Question 8: 9705
- 3962
Answer:

Question 9: 9591
- 4733
Answer:

Question 10: 4458
- 3563
Answer:

Question 11: 9149
- 2281
Answer:

Question 12: 6454
- 173
Answer:

Question 13: 9338
- 2078
Answer:

Question 14: 8774
- 925
Answer:

Question 15: 4386
- 4188
Answer:

Question 16: 9476
- 7735
Answer:

Question 17: 9537
- 4201
Answer:

Question 18: 7553
- 1203
Answer:

Question 19: 7465
- 548
Answer:

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Question 21: This question is available to subscribers only!

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