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 digits in each place value, the sum is less than 10, so you don't need to carry over any value to the next place.

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 first step in adding two-digit numbers?

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 is the second step in adding two-digit numbers?

Back

The second step is to add the digits in the tens place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

If you add 23 + 14, what do you get?

Back

You get 37.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is 45 + 32?

Back

45 + 32 equals 77.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What do you call the result of an addition problem?

Back

The result of an addition problem is called the sum.

Front

What is the sum of 50 + 20?

Back

The sum of 50 + 20 is 70.

Tags

CCSS.2.NBT.B.6