Addition Regrouping

Front

What is Addition Regrouping?

Back

Addition regrouping is a method used in addition where numbers are rearranged to make it easier to add, especially when the sum exceeds 10 in any column.

Tags

CCSS.2.NBT.B.7

Front

What do you do when the sum of a column is more than 10?

Back

You regroup by carrying over the extra value to the next column on the left.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

Example of regrouping: 8 + 5 = ?

Back

13. You write down 3 and carry over 1 to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is the first step in addition regrouping?

Back

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

Tags

CCSS.2.NBT.B.7

Front

When adding 693 + 787, what is the first column you add?

Back

The ones column (3 + 7).

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is 3 + 7?

Back

10. You write down 0 and carry over 1.

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

After carrying over 1, what do you add in the tens column for 693 + 787?

Back

9 + 8 + 1 (the carried over 1) = 18.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do after adding the tens column in 693 + 787?

Back

You write down 8 and carry over 1 to the hundreds column.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the final step in adding 693 + 787?

Back

Add the hundreds column: 6 + 7 + 1 (the carried over 1) = 14.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the answer to 693 + 787?

Back

1480.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2