Three-Digit Addition with Regrouping

Front

What is three-digit addition?

Back

Three-digit addition is the process of adding numbers that have three digits, such as 123 or 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 935 and 268?

Back

1203

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 426 and 359?

Back

785

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 654 and 287?

Back

941

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 819 and 476?

Back

1295

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 512 and 387?

Back

899

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you add numbers with regrouping?

Back

To add with regrouping, start from the rightmost column, add the digits, and if the sum is 10 or more, carry over to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the first step in three-digit addition?

Back

The first step is to line up the numbers by their place values: hundreds, tens, and ones.

Tags

CCSS.2.NBT.B.7

Front

What do you do if the sum of the ones column is 10 or more?

Back

If the sum of the ones column is 10 or more, write down the last digit and carry over 1 to the tens column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5