Double Digit Addition

Front

What is double digit addition?

Back

Double digit addition is the process of adding two numbers that each have two digits, such as 23 + 45.

Front

What is the sum of 23 and 45?

Back

The sum of 23 and 45 is 68.

Front

What do you call the numbers being added in an addition problem?

Back

The numbers being added are called addends.

Front

What is the term for the result of an addition problem?

Back

The result of an addition problem is called the sum.

Front

If you add 10 to any number, what happens to that number?

Back

The number increases by 10.

Front

What is 34 + 12?

Back

34 + 12 = 46.

Front

What is carrying in double digit addition?

Back

Carrying is when the sum of the digits in a column is 10 or more, and you write down the last digit and carry over the first digit to the next column.

Front

What is 57 + 36?

Back

57 + 36 = 93.

Front

What is the first step in double digit addition?

Back

The first step is to line up the numbers by their place values.

Front

What is 21 + 19?

Back

21 + 19 = 40.