3 Digit Subtraction Math - 2 nd Grade Miss Olivia Fulton

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

3 Digit Subtraction Terms  Minuend: the starting number  Subtrahend: the number being subtracted  Difference: the ending number or answer Minuend Subtrahend Difference

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.

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

Difference!  Great Thinking! Next Question …

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

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

Hundreds  Nice work! Next Question

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

Question 3 What is the answer to… ?

223  Great Job! Next Question

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

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…

Reference  th_terms.shtml th_terms.shtml  Pictures from clip art.