3 Digit Subtraction With Regrouping

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next higher place value when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract 2-digit numbers from 3-digit numbers?

Back

To subtract 2-digit numbers from 3-digit numbers, align the numbers by place value and subtract starting from the rightmost digit, regrouping if necessary.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the first step in subtracting 382 - 209?

Back

The first step is to align the numbers by place value: 382 on top and 209 below.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What do you do if the top digit is smaller than the bottom digit in a column?

Back

If the top digit is smaller than the bottom digit, you need to regroup by borrowing from the next column.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Calculate: 763 - 104

Back

659

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Calculate: 824 - 647

Back

177

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Calculate: 409 - 152

Back

257

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Calculate: 639 - 532

Back

107

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 382 - 209?

Back

173

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the importance of place value in subtraction?

Back

Place value helps to correctly align numbers and understand which digits to subtract from each other.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2