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 34 and 56.

Front

What is the sum of 18 and 34?

Back

52

Front

What is the sum of 76 and 43?

Back

119

Front

What is the sum of 18 and 91?

Back

109

Front

What is the sum of 12 and 15?

Back

27

Front

What is the sum of 56 and 12?

Back

68

Front

How do you add double digits?

Back

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

Front

What do you do if the sum of the ones column is 10 or more?

Back

You carry over the extra value to the tens column.

Front

What is carrying in addition?

Back

Carrying is when you move a value from one column to the next when the sum exceeds 9.

Front

What is the place value of 34?

Back

In 34, 3 is in the tens place and 4 is in the ones place.