Two digit addition with regrouping

Front

What is two-digit addition with regrouping?

Back

It is the process of adding two numbers that are both two digits long, 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 the digits in a column is 10 or more.

Front

What is the sum of 58 and 24?

Back

82

Front

How do you add 47 and 39 using regrouping?

Back

Add the ones place: 7 + 9 = 16 (write down 6 and carry over 1). Then add the tens place: 4 + 3 + 1 (carried) = 8. The total is 86.

Front

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

Back

62 (49 + 13 = 62).

Front

If Ms. Dunn has 18 students and Mrs. Vazquez has the same amount, how many students do they have together?

Back

36 (18 + 18 = 36).

Front

What is the total number of books if Ms. Closs has 37 and Mr. Cruz gives her 17 more?

Back

54 (37 + 17 = 54).

Front

What is the first step in adding two-digit numbers?

Back

Align the numbers by place value (ones under ones, tens under tens).

Front

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

Back

Regroup by carrying over 1 to the tens place.

Front

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

Back

45 + 36.