3 Digit Addition with Regrouping

Front

What is 3-digit addition?

Back

3-digit addition is the process of adding numbers that have three digits, such as 123 + 456.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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 exceeds 9.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the sum of 357 and 256?

Back

613

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 462 and 264?

Back

726

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 369 and 427?

Back

796

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 429 and 149?

Back

578

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 349 and 287?

Back

636

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you add numbers with regrouping?

Back

1. Add the digits in the ones place. If the sum is 10 or more, carry over to the tens place. 2. Add the digits in the tens place, including any carry. 3. Add the digits in the hundreds place.

Tags

CCSS.2.NBT.B.7

Front

What is the first step in 3-digit addition?

Back

The first step is to line up the numbers by their place values: hundreds, 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 more than 9?

Back

You regroup by carrying over 1 to the tens place.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5