Two digit addition with regrouping

Front

What is two-digit addition with regrouping?

Back

It is the process of adding two numbers that each have two digits, where the sum of the digits in one place value exceeds 9, requiring carrying over to the next place value.

Front

What does regrouping mean in addition?

Back

Regrouping means to carry over a value from one column to the next when the sum of a column exceeds 9.

Front

How do you add 27 + 62 using regrouping?

Back

1. Add the ones: 7 + 2 = 9. 2. Add the tens: 2 + 6 = 8. 3. The total is 89.

Front

What is the sum of 37 and 17?

Back

54

Front

How do you solve 53 + 28?

Back

1. Add the ones: 3 + 8 = 11 (write 1, carry over 1). 2. Add the tens: 5 + 2 + 1 = 8. 3. The total is 81.

Front

What is the total number of writing utensils if Mrs. Grisson has 49 pencils and 13 pens?

Back

62

Front

How do you add 27 + 45?

Back

1. Add the ones: 7 + 5 = 12 (write 2, carry over 1). 2. Add the tens: 2 + 4 + 1 = 7. 3. The total is 72.

Front

What is the first step in two-digit addition?

Back

Identify the place values (ones and tens) of the numbers being added.

Front

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

Back

You regroup by carrying over 1 to the tens place.

Front

What is an example of a two-digit addition problem?

Back

45 + 36.