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 23 + 45.

Front

What is the sum of 64 and 29?

Back

The sum of 64 and 29 is 93.

Front

What is the sum of 33 and 22?

Back

The sum of 33 and 22 is 55.

Front

What is the sum of 38 and 42?

Back

The sum of 38 and 42 is 80.

Front

What is the sum of 31 and 49?

Back

The sum of 31 and 49 is 80.

Front

What is the sum of 24, 37, and 15?

Back

The sum of 24, 37, and 15 is 76.

Front

What do we 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.