2 Digit Addition with Regrouping

Front

What is the process of regrouping in addition?

Back

Regrouping in addition is the process of carrying over a value from one column to the next when the sum of a column exceeds 10.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you add two-digit numbers without regrouping?

Back

To add two-digit numbers without regrouping, simply add the digits in each column (tens and ones) separately, ensuring that the sum of each column is less than 10.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 52 and 26?

Back

The sum of 52 and 26 is 78.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 32 and 29?

Back

The sum of 32 and 29 is 61.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 56 and 23?

Back

The sum of 56 and 23 is 79.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 37 and 28?

Back

The sum of 37 and 28 is 65.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 49 and 15?

Back

The sum of 49 and 15 is 64.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

When do you need to regroup while adding two-digit numbers?

Back

You need to regroup when the sum of the digits in the ones column is 10 or more.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

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

Back

The first step is to align the numbers by their place values (tens and ones) and add the digits in the ones column.

Tags

CCSS.2.NBT.B.6

Front

What happens if the sum of the ones column is 12?

Back

If the sum of the ones column is 12, you write down 2 in the ones place and carry over 1 to the tens column.

Tags

CCSS.2.NBT.B.7