Adding and Subtracting with Regrouping

Front

What is regrouping in addition?

Back

Regrouping in addition is the process of carrying over a value from one column to the next when the sum of a column exceeds 10.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next column when the top number is smaller than the bottom number in a column.

Tags

CCSS.7.NS.A.1C

Front

Find the sum of 2,345 and 1,678.

Back

4,023

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Find the difference between 7,500 and 2,345.

Back

5,155

Tags

CCSS.4.NBT.B.4

Front

What do you do when the sum of a column is greater than 9?

Back

You regroup by carrying over to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What do you do when you need to subtract a larger digit from a smaller digit?

Back

You regroup by borrowing from the next column.

Tags

CCSS.7.NS.A.1C

Front

Add 1,234 and 4,567.

Back

5,801

Tags

CCSS.4.NBT.B.4

Front

Subtract 6,789 from 9,000.

Back

2,211

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the sum of 3,456 and 2,789?

Back

6,245

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Find the difference between 5,678 and 2,345.

Back

3,333

Tags

CCSS.4.NBT.B.4