3 Digit Subtraction

Front

What is 3-digit subtraction?

Back

3-digit subtraction is the process of subtracting one 3-digit number from another 3-digit number.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

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.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How do you subtract in the ones place?

Back

Subtract the digits in the ones place. If the top digit is smaller, you need to borrow from the tens place.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What does it mean to borrow in subtraction?

Back

Borrowing means taking 1 from the next left place value to help subtract a smaller digit.

Tags

CCSS.6.NS.B.3

Front

What is the result of 456 - 123?

Back

The result is 333.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How do you subtract in the tens place?

Back

Subtract the digits in the tens place. If you borrowed, remember to subtract 1 from the top digit.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the result of 700 - 250?

Back

The result is 450.

Front

What is the importance of place value in subtraction?

Back

Place value helps us understand which digits to subtract and ensures accurate calculations.

Tags

CCSS.6.NS.B.3

Front

What is regrouping in subtraction?

Back

Regrouping is another term for borrowing, used when a digit in the top number is smaller than the digit below it.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 582 - 274?

Back

The result is 308.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7