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) is less than 10, so you don't need to carry over any value to the next column.

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 + 21?

Back

The sum of 34 + 21 is 55.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 45 + 32?

Back

The sum of 45 + 32 is 77.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 23 + 14?

Back

The sum of 23 + 14 is 37.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 11 + 22?

Back

The sum of 11 + 22 is 33.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 50 + 20?

Back

The sum of 50 + 20 is 70.

Tags

CCSS.2.NBT.B.6

Front

What is the sum of 60 + 15?

Back

The sum of 60 + 15 is 75.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 21 + 18?

Back

The sum of 21 + 18 is 39.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5