2 digit subtraction with regrouping

Front

What is regrouping 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

What is the difference between 72 and 42?

Back

30

Front

What is the difference between 64 and 44?

Back

20

Front

What do you do when the top digit is smaller than the bottom digit in subtraction?

Back

You regroup by borrowing from the next column to the left.

Front

What is the first step in subtracting two-digit numbers with regrouping?

Back

Line up the numbers by place value.

Front

What is the difference between 29 and 0?

Back

29

Front

What is the difference between 47 and 10?

Back

37

Front

What is the difference between 38 and 10?

Back

28

Front

What does the term 'difference' mean in math?

Back

The difference is the result of subtracting one number from another.

Front

How do you check your subtraction answer?

Back

You can check your answer by adding the difference to the smaller number to see if it equals the larger number.