Double Digit Addition with Regrouping

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 + 27.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does regrouping mean in addition?

Back

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

Tags

CCSS.2.NBT.B.7

Front

Solve: 27 + 45

Back

72

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

Solve: 58 + 34

Back

92

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

Solve: 76 + 19

Back

95

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the first step in double digit addition?

Back

The first step is to add the digits in the ones place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

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.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

Solve: 39 + 24

Back

63

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

Solve: 48 + 37

Back

85

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the second step in double digit addition?

Back

The second step is to add the digits in the tens place, including any regrouped value.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5