Addition with Regrouping

Front

What is addition with regrouping?

Back

Addition with regrouping is a method used when the sum of two digits in a column exceeds 9, requiring you to carry over to the next column.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What do you do when the sum of the ones place is greater than 9?

Back

You write down the ones digit and carry over the tens digit to the next column.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

234 + 345 = ?

Back

579

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

183 + 356 = ?

Back

539

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

569 + 231 = ?

Back

800

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

849 + 143 = ?

Back

992

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

316 + 316 = ?

Back

632

Tags

CCSS.2.NBT.B.5

Front

What is the first step in addition with regrouping?

Back

Align the numbers by their place values (ones, tens, hundreds).

Tags

CCSS.2.NBT.B.7

Front

How do you check your addition with regrouping?

Back

You can check your addition by adding the numbers in reverse order or using subtraction.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is a carry in addition?

Back

A carry is when the sum of a column exceeds 9, and you move the extra value to the next column.

Tags

CCSS.2.NBT.B.7