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.