Three-Digit Addition

Front

What is three-digit addition?

Back

Three-digit addition is the process of adding numbers that have three digits, which can range from 100 to 999.

Front

What is the sum of 175 and 332?

Back

507

Front

What is the sum of 634 and 224?

Back

858

Front

What is the sum of 255 and 530?

Back

785

Front

What is the sum of 737 and 254?

Back

991

Front

What is the sum of 530 and 128?

Back

658

Front

What do you do when adding three-digit numbers?

Back

Align the numbers by place value (hundreds, tens, and units) and add each column starting from the right.

Front

What is carrying in addition?

Back

Carrying is when the sum of a column exceeds 9, and you move the extra value to the next column on the left.

Front

What is a place value?

Back

Place value is the value of a digit based on its position in a number, such as hundreds, tens, or units.

Front

How do you check your addition?

Back

You can check your addition by adding the numbers again or by using subtraction to see if the difference matches the original numbers.