3-Digit Subtraction-Across Zeros

Front

What is 3-digit subtraction?

Back

3-digit subtraction is the process of subtracting one 3-digit number from another 3-digit number.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What does it mean to subtract across zeros?

Back

Subtracting across zeros means performing subtraction where one or more digits in the minuend (the number being subtracted from) are zeros.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the first step in 3-digit subtraction?

Back

The first step is to line up the numbers by their place values: hundreds, tens, and ones.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you handle a zero in the ones place when subtracting?

Back

If you have a zero in the ones place, you may need to borrow from the tens place.

Tags

CCSS.2.NBT.B.7

Front

What is borrowing in subtraction?

Back

Borrowing is taking 1 from the next higher place value to help subtract when the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

Solve: 400 - 206

Back

194

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 500 - 128

Back

372

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 600 - 236

Back

364

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 500 - 192

Back

308

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

Solve: 400 - 91

Back

309

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2