Subtract 2-Digit 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 a larger number from a smaller number.

Front

How do you subtract 25 - 17 using regrouping?

Back

First, regroup 25 to 20 and 5. Then subtract: 20 - 10 = 10 and 5 - 7 (regroup again) = 15. So, 25 - 17 = 8.

Front

What does it mean to borrow in subtraction?

Back

Borrowing means taking 1 from the next higher place value to make the current place value larger for subtraction.

Front

What is the first step in subtracting 42 - 19?

Back

The first step is to look at the ones place: 2 - 9. Since 2 is smaller than 9, we need to regroup.

Front

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

Back

You regroup by borrowing from the next place value.

Front

What is the result of 53 - 26?

Back

53 - 26 = 27.

Front

How do you write 60 - 34 using regrouping?

Back

First, regroup 60 to 50 and 10. Then subtract: 50 - 30 = 20 and 10 - 4 = 6. So, 60 - 34 = 26.

Front

What is the purpose of regrouping?

Back

The purpose of regrouping is to make subtraction easier when the top digit is smaller than the bottom digit.

Front

What is 74 - 29?

Back

74 - 29 = 45.

Front

What do you do if you need to subtract 0 from a number?

Back

If you subtract 0 from a number, the number stays the same.