Subtraction with Regrouping

Front

What is subtraction with regrouping?

Back

Subtraction with regrouping is a method used to subtract numbers when the top digit is smaller than the bottom digit in any column, requiring borrowing from the next column.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract 614 - 387?

Back

614 - 387 = 227.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 734 - 573?

Back

734 - 573 = 161.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

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

Back

You borrow 1 from the next column to the left, decreasing that column's value by 1.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the answer to 842 - 593?

Back

842 - 593 = 249.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 804 - 773?

Back

804 - 773 = 31.

Front

How do you solve 900 - 749?

Back

900 - 749 = 151.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in subtraction with regrouping?

Back

Identify if any digits in the top number are smaller than the corresponding digits in the bottom number.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean to 'borrow' in subtraction?

Back

To 'borrow' means to take 1 from the next left column to help subtract a smaller digit from a larger digit.

Front

If you have 50 - 27, how do you solve it using regrouping?

Back

You would borrow 1 from the 5 in the tens place, making it 4, and add 10 to the 0 in the ones place, making it 10. Then, 10 - 7 = 3 and 4 - 2 = 2, so the answer is 23.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2