Two-Digit Addition

Front

What is two-digit addition?

Back

Two-digit addition is the process of adding numbers that have two digits, such as 24 + 35.

Front

What is the sum of 58 and 17?

Back

The sum of 58 and 17 is 75.

Front

What is the sum of 24 and 57?

Back

The sum of 24 and 57 is 81.

Front

What is the sum of 23 and 45?

Back

The sum of 23 and 45 is 68.

Front

What is the sum of 48 and 26?

Back

The sum of 48 and 26 is 74.

Front

What is the sum of 17 and 29?

Back

The sum of 17 and 29 is 46.

Front

What do you call the result of an addition problem?

Back

The result of an addition problem is called the sum.

Front

What is the first step in adding two-digit numbers?

Back

The first step is to align the numbers by their place values (tens and ones).

Front

How do you add the tens place in two-digit addition?

Back

Add the numbers in the tens place together.

Front

How do you add the ones place in two-digit addition?

Back

Add the numbers in the ones place together, and if the sum is 10 or more, carry over to the tens place.