Subtracting Across Zeros

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some are taken away.

Tags

CCSS.2.NBT.B.7

Front

What does it mean to subtract across zeros?

Back

Subtracting across zeros means performing subtraction where one or more of the digits in the numbers being subtracted are zeros.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How do you subtract 605 - 317?

Back

First, subtract the ones: 5 - 7 (borrow 1). Then, subtract the tens: 0 - 1 (borrow 1). Finally, subtract the hundreds: 6 - 3. The answer is 288.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is borrowing in subtraction?

Back

Borrowing is a method used in subtraction when the top digit is smaller than the bottom digit. You take 1 from the next left digit to make the top digit larger.

Tags

CCSS.2.NBT.B.7

Front

How do you subtract 800 - 347?

Back

First, subtract the ones: 0 - 7 (borrow 1). Then, subtract the tens: 0 - 4 (borrow 1). Finally, subtract the hundreds: 8 - 3. The answer is 453.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the result of 700 - 496?

Back

To subtract, first borrow from the hundreds. The answer is 204.

Front

How do you subtract 307 - 149?

Back

First, subtract the ones: 7 - 9 (borrow 1). Then, subtract the tens: 0 - 4 (borrow 1). Finally, subtract the hundreds: 3 - 1. The answer is 158.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the result of 1002 - 345?

Back

To subtract, first borrow from the thousands. The answer is 657.

Tags

CCSS.4.NBT.B.4

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in a narrative form, requiring interpretation and problem-solving.

Tags

CCSS.2.OA.A.1

Front

How can you check your subtraction?

Back

You can check your subtraction by adding the result to the number you subtracted. If it equals the original number, your subtraction is correct.

Tags

CCSS.1.OA.A.1