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Grade 2 - Mathematics
2.17 Subtracting - Three Digits

Subtraction without borrow
Method:
  1. Start from the units place
  2. Subtract the numbers in the units place
  3. Subtract the numbers in the tens place
  4. Subtract the numbers in the hundreds place
Question Step 1 Step 2 Step 3

Answer: 550


Subtraction with borrow
Sometimes when you subtract you need to regroup 1 ten as 10 ones.
Question Step 1 Step 2 Step 3

  • Start from the ones place
  • In the ones place, since we cannot subtract 9 from 5, we borrow 1 from 3 and make it 2.
  • In ones place we get 15-9 = 6
  • In the tens place, since we have taken out 1 from 3, we have 3-1=2
  • Since we cannot subtract 8 from 2, we borrow 1 from 5 and make it 4.
  • In hundreds place, we have 5-3=1
Answer: 146


Directions: Answer the following questions. Also write at least ten examples of your own.
Question 1: 976
- 508
Answer:

Question 2: 363
- 196
Answer:

Question 3: 871
- 618
Answer:

Question 4: 783
- 714
Answer:

Question 5: 232
- 127
Answer:

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Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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