Addition and Subtraction 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

Solve: 1,000,000 - 625,901

Back

374,099

Tags

CCSS.4.NBT.B.4

Front

Solve: 236,732 + 43,298

Back

280,030

Tags

CCSS.4.NBT.B.4

Front

If 23,456 people attended a rally and 13,220 fewer attended the next day, how many attended on the second day?

Back

10,236

Tags

CCSS.4.OA.A.3

Front

Solve: 12,000,345 - 3,721,000

Back

8,279,345

Tags

CCSS.4.NBT.B.4

Front

Solve: 1,000,000 - 23,456

Back

976,544

Tags

CCSS.4.NBT.B.4

Front

What is the first step in solving a subtraction problem with regrouping?

Back

Identify if any column requires borrowing from the next column.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in solving an addition problem with regrouping?

Back

Add the digits in the rightmost column and check if the sum is 10 or more.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Front

What do you do if the sum of a column in addition is 10 or more?

Back

You write down the rightmost digit and carry over the left digit to the next column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5