3 Digit Addition & Subtraction With and Without Regrouping

Front

What is 3-digit addition?

Back

3-digit addition is the process of adding numbers that have three digits, where you may need to carry over to the next column if the sum exceeds 9.

Front

What is 3-digit subtraction?

Back

3-digit subtraction is the process of subtracting one 3-digit number from another, which may involve borrowing from the next column if the top digit is smaller than the bottom digit.

Front

What does regrouping mean in addition?

Back

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

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing a value from the next column when the top digit is smaller than the bottom digit.

Front

What is the result of 158 - 142?

Back

16

Front

What is the result of 335 + 265?

Back

600

Front

What is the result of 336 + 113?

Back

449

Front

What is the result of 423 - 217?

Back

206

Front

What is the result of 373 + 446?

Back

819

Front

How do you add 3-digit numbers without regrouping?

Back

Add each column starting from the rightmost side, ensuring that the sum of each column is less than 10.