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 column, requiring borrowing from the next column.

Front

How do you borrow in subtraction?

Back

To borrow in subtraction, you take 1 from the next left column, decrease that digit by 1, and add 10 to the current column's digit.

Front

What is the result of 74 - 23?

Back

51

Front

If Ellie weighs 905 pounds and Kirby weighs 335 pounds, how much more does Ellie weigh than Kirby?

Back

570 pounds

Front

What is the difference between 82 and 36?

Back

46

Front

How many postcards are left if there were 323 and 125 were used?

Back

198 postcards

Front

What is the result of 803 - 458?

Back

345

Front

What does the term 'regrouping' mean in subtraction?

Back

Regrouping means rearranging numbers to make subtraction easier, often involving borrowing from the next column.

Front

What is the first step in subtracting 74 - 23?

Back

Look at the ones place: 4 - 3 = 1.

Front

What do you do if you need to subtract a larger digit from a smaller digit?

Back

You borrow from the next column to the left.