3 Digit Subtraction

Front

What is 3-digit subtraction?

Back

3-digit subtraction is the process of subtracting a number that has three digits from another number that also has three digits.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in 3-digit subtraction?

Back

The first step is to line up the numbers by their place values: hundreds, tens, and ones.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do if the top digit is smaller than the bottom digit in a column?

Back

You need to borrow from the next left column to make the top digit larger.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is borrowing in subtraction?

Back

Borrowing is taking 1 from the next left column to add 10 to the current column when the top digit is smaller.

Tags

CCSS.5.NBT.B.7

Front

Solve: 500 - 200 = ?

Back

300

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 600 - 250 = ?

Back

350

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 700 - 400 = ?

Back

300

Tags

CCSS.2.NBT.B.8

Front

Solve: 800 - 150 = ?

Back

650

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 3-digit numbers?

Back

The difference is the result you get after subtracting one 3-digit number from another.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is regrouping in subtraction?

Back

Regrouping is another term for borrowing, used when the top digit is smaller than the bottom digit.

Tags

CCSS.2.NBT.B.5