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 you to borrow from the next column.

Front

How do you borrow in subtraction?

Back

To borrow in subtraction, you take 1 from the next left column, which increases the current column by 10.

Front

What is the result of 74 - 23?

Back

51

Front

What is the result of 82 - 36?

Back

46

Front

What is the result of 803 - 458?

Back

345

Front

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

Back

570

Front

There were 323 postcards, and 125 were used. How many postcards are left?

Back

198 postcards

Front

What is the first step in solving a subtraction problem with regrouping?

Back

Identify if you need to borrow from the next column.

Front

What do you do if the top digit is smaller than the bottom digit in a column?

Back

You borrow from the next column to make the top digit larger.

Front

What is the difference between 100 and 75?

Back

25