Double Digit Addition with and without Regrouping

Front

What is double digit addition?

Back

Double digit addition is the process of adding two numbers that each have two digits.

Front

What does regrouping mean in addition?

Back

Regrouping means carrying over a value to the next column when the sum of a column exceeds 9.

Front

What is the sum of 10 and 22?

Back

32 apples

Front

What is 20 + 20?

Back

40

Front

What is 38 + 42?

Back

80

Front

Do you need to regroup when adding 12 and 10?

Back

I do not need to regroup and make a ten.

Front

How do you add 35 and 5?

Back

You add them directly to get 40.

Front

What is the total of 35 rainbow pencils and 46 rainbow pencils?

Back

81 rainbow pencils

Front

What is the first step in double digit addition?

Back

Line up the numbers by their place values.

Front

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

Back

You regroup by carrying over to the tens column.