Subtraction with Regrouping

Front

What is subtraction with regrouping?

Back

Subtraction with regrouping is a method used to subtract numbers when the top digit is smaller than the bottom digit in any place value, requiring you to borrow from the next higher place value.

Front

What do you do when you need to subtract 9 from a number in the ones place?

Back

You borrow 1 from the tens place, making the ones place 10, and then subtract 9.

Front

What is the first step in solving 90 - 56?

Back

Start by subtracting the ones place: 0 - 6. Since 0 is smaller than 6, you need to borrow from the tens place.

Front

How do you borrow in subtraction?

Back

To borrow, decrease the digit in the next higher place value by 1 and add 10 to the current place value.

Front

What is 70 - 16?

Back

54

Front

If you have 65 geese and 28 fly away, how many are left?

Back

37 geese are left.

Front

True or False: You should always start in the hundreds place when adding or subtracting.

Back

FALSE

Front

What is 64 - 19?

Back

45

Front

What is the purpose of regrouping in subtraction?

Back

Regrouping allows you to perform subtraction when the top digit is smaller than the bottom digit in any column.

Front

What is the result of 90 - 56?

Back

34