Two digit addition (no regrouping)

Front

What is two-digit addition?

Back

Two-digit addition is the process of adding numbers that have two digits, such as 23 + 45.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What does 'no regrouping' mean in addition?

Back

'No regrouping' means that when you add the numbers, the sum of each column (tens and ones) does not exceed 9.

Tags

CCSS.2.NBT.B.7

Front

What is the sum of 12 + 15?

Back

The sum of 12 + 15 is 27.

Tags

CCSS.2.OA.A.1

Front

What is the sum of 34 + 25?

Back

The sum of 34 + 25 is 59.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you add the ones place in 23 + 14?

Back

In 23 + 14, add the ones: 3 + 4 = 7.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

How do you add the tens place in 23 + 14?

Back

In 23 + 14, add the tens: 2 + 1 = 3.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the total of 45 + 32?

Back

The total of 45 + 32 is 77.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 21 + 16?

Back

21 + 16 equals 37.

Tags

CCSS.2.NBT.B.5

Front

What is the first step in two-digit addition?

Back

The first step is to line up the numbers by their place values (tens and ones).

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

In no regrouping, you simply write the sum as it is, but in this case, we don't have regrouping.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5