2. 3 Digit Subtraction Math - 2 nd Grade Miss Olivia Fulton

3. 3 Digit Subtraction  When there is a 3 digit number, the number has a hundreds place, tens place, and ones place. 3 6 5 Hundreds Tens Ones

4. 3 Digit Subtraction Terms  Minuend: the starting number  Subtrahend: the number being subtracted  Difference: the ending number or answer 245 - 123 122 Minuend Subtrahend Difference

5. 3 Digit Subtraction Instructions  Start with the last number (ones place) of each 3 digit number and find the difference.  Work your way to the left following the same instructions.  If there is not enough to subtract from, take from the number to the left and add it to the number.

6. Question 1 What is the name of the ending number or answer to a subtraction problem? Difference Minuend Subtrahend Sum

7. Difference!  Great Thinking! Next Question …

8. Oops!  This is incorrect! When subtracting numbers, the answer is called the difference. Next Question

9. Question 2 What is the name of the place farthest left number in a 3 digit number? Ones Thousands Hundreds Tens

10. Hundreds  Nice work! Next Question

11. Oops!  This is incorrect! The farthest left number in a 3 digit number is called the hundreds place. Next Question

12. Question 3 What is the answer to… 358 - 135 ? 213 223 123 323

13. 223  Great Job! Next Question

14. Oops!  This is incorrect! 358 - 135 ? 8-5=3 5-3=2 3-1=2 So the correct answer is 223! Next Question

15. Conclusion  When there is a 3 digit number, the number has a hundreds place, tens place, and ones place.  There are 3 parts of a subtraction problem: Minuend, Subtrahend, Difference  Start with the last number (ones place) of each 3 digit number and find the difference. Next…

16. Reference  http://www.leaningpinesoftware.com/ma th_terms.shtml http://www.leaningpinesoftware.com/ma th_terms.shtml  Pictures from clip art.