Two digit addition with regrouping

Front

What is two-digit addition with regrouping?

Back

It is the process of adding two-digit numbers where the sum of the digits in a column exceeds 9, requiring carrying over to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

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

Back

You regroup by carrying over 1 to the tens place and writing down the remainder in the ones place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 37 and 17?

Back

54

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

If you have 57 and add 13, what is the result?

Back

70

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the total of 18 students in Ms. Dunn's class and 18 students in Mrs. Vazquez's class?

Back

36

Tags

CCSS.2.OA.A.1

Front

How do you add 27 and 31?

Back

You add the ones place (7 + 1 = 8) and the tens place (2 + 3 = 5) to get 58.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

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

Back

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

Tags

CCSS.2.NBT.B.6

Front

What does regrouping mean in addition?

Back

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

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

If you have 46 and add 29, what is the first step?

Back

Add the ones place: 6 + 9 = 15, regroup 1 to the tens place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 47 + 39?

Back

86

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5