3 Digit SubtractionMath - 2nd GradeMiss Olivia Fulton
3 Digit Subtraction When there is a 3 digit number, the
number has a hundreds place, tens place, and ones place.
3 6 5Hundreds
TensOnes
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
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 1What 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 2What 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 3What is the answer to…
358- 135 ?
213
223
123
323
223 Great Job!
Next Question
Oops! This is incorrect!
358- 135 ?
8-5=3 5-3=2 3-1=2So 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 http://
www.leaningpinesoftware.com/math_terms.shtml
Pictures from clip art.