Subtracting 3-Digit Numbers

Front

What is subtraction?

Back

Subtraction is the mathematical operation of finding the difference between two numbers.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is a 3-digit number?

Back

A 3-digit number is a number that has three digits, ranging from 100 to 999.

Tags

CCSS.2.NBT.A.3

Front

How do you subtract 3-digit numbers?

Back

To subtract 3-digit numbers, align the numbers by place value (hundreds, tens, units) and subtract each column starting from the right.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is borrowing in subtraction?

Back

Borrowing is a method used in subtraction when the top digit is smaller than the bottom digit in a column.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between 491 and 135?

Back

356

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 334 and 213?

Back

121

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 140 and 116?

Back

24

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 686 and 332?

Back

354

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the difference between 593 and 386?

Back

207

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean to regroup in subtraction?

Back

Regrouping in subtraction means rearranging the numbers to make the subtraction easier, often involving borrowing.