Double Digit Subtraction w/o Regrouping

Front

What is double digit subtraction?

Back

Double digit subtraction is the process of subtracting two numbers that each have two digits, without needing to regroup or borrow from the next column.

Front

What does 'regrouping' mean in subtraction?

Back

Regrouping in subtraction is when you borrow from the next higher place value to help subtract when the top digit is smaller than the bottom digit.

Front

Solve: 63 - 12

Back

51

Front

Solve: 97 - 43

Back

54

Front

Solve: 92 - 72

Back

20

Front

Solve: 58 - 27

Back

31

Front

Solve: 78 - 63

Back

15

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) before subtracting.

Front

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

Back

In double digit subtraction without regrouping, you simply subtract the smaller number from the larger number in the ones place.

Front

What is the difference between the numbers?

Back

The difference is the result of a subtraction problem, showing how much one number is less than another.