Subtraction with and without Regrouping Test

Front

What is subtraction?

Back

Subtraction is a mathematical operation that represents the process of taking one quantity away from another.

Tags

CCSS.7.NS.A.1C

Front

What does it mean to regroup in subtraction?

Back

Regrouping in subtraction involves rearranging the numbers to make the subtraction process easier, often by borrowing from a higher place value.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between subtraction with regrouping and without regrouping?

Back

Subtraction with regrouping requires borrowing from a higher place value, while subtraction without regrouping does not.

Tags

CCSS.5.NBT.B.7

Front

How do you subtract two-digit numbers?

Back

To subtract two-digit numbers, align the numbers by place value, subtract the ones place, and then the tens place, regrouping if necessary.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the term for the result of a subtraction operation?

Back

The result of a subtraction operation is called the difference.

Tags

CCSS.5.NBT.B.7

Front

How can you check your subtraction answer?

Back

You can check your subtraction answer by adding the difference to the smaller number; if it equals the larger number, your answer is correct.

Tags

CCSS.1.OA.A.1

Front

What is a common mistake when subtracting?

Back

A common mistake when subtracting is failing to regroup when necessary, leading to incorrect answers.

Tags

CCSS.5.NBT.B.7

Front

What is the importance of place value in subtraction?

Back

Place value is important in subtraction because it helps to correctly align numbers and understand how to borrow when necessary.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you handle subtraction when the top digit is smaller than the bottom digit?

Back

When the top digit is smaller than the bottom digit, you need to regroup from the next higher place value.

Tags

CCSS.7.NS.A.1C

Front

What is an example of a subtraction problem with regrouping?

Back

An example is 52 - 29. You would regroup from the tens place to subtract.

Tags

CCSS.7.NS.A.1C