Double Digit Subtraction

Front

What is double digit subtraction?

Back

Double digit subtraction is the process of subtracting numbers that have two digits, such as 67 - 39.

Front

What is the first step in double digit subtraction?

Back

The first step is to line up the numbers by their place values (tens and ones).

Front

How do you subtract the ones place in double digit subtraction?

Back

Subtract the number in the ones place of the bottom number from the number in the ones place of the top number.

Front

What do you do if the top number's ones place is smaller than the bottom number's ones place?

Back

You need to borrow 1 from the tens place of the top number.

Front

What is borrowing in subtraction?

Back

Borrowing is taking 1 from the next higher place value to help with subtraction.

Front

How do you subtract the tens place in double digit subtraction?

Back

After borrowing, subtract the number in the tens place of the bottom number from the number in the tens place of the top number.

Front

What is the answer to 67 - 39?

Back

The answer is 28.

Front

What is the answer to 86 - 25?

Back

The answer is 61.

Front

What is the answer to 62 - 28?

Back

The answer is 34.

Front

What is the answer to 73 - 42?

Back

The answer is 31.