3 digit Add and Subtract with Regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is the process of carrying over a value from one column to the next when the sum of a column exceeds 9.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next column when the top number is smaller than the bottom number in a column.

Front

Solve: 256 + 47

Back

303

Front

Solve: 482 - 159

Back

323

Front

What do you do when you add two numbers and the sum is greater than 9?

Back

You regroup by carrying over 1 to the next column.

Front

What do you do when you subtract and the top number is smaller than the bottom number?

Back

You regroup by borrowing 1 from the next column.

Front

Solve: 375 + 289

Back

664

Front

Solve: 600 - 275

Back

325

Front

What is the first step in solving a 3-digit addition problem?

Back

Align the numbers by their place values (hundreds, tens, and ones).

Front

What is the first step in solving a 3-digit subtraction problem?

Back

Align the numbers by their place values (hundreds, tens, and ones).