2-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 in a subtraction problem.

Tags

CCSS.7.NS.A.1C

Front

How do you subtract two-digit numbers without regrouping?

Back

To subtract two-digit numbers without regrouping, simply subtract the digits in each place value (tens and ones) directly, ensuring the top digit is larger than the bottom digit.

Tags

CCSS.2.NBT.B.7

Front

What is the result of 52 - 33?

Back

The result of 52 - 33 is 19.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the result of 43 - 18?

Back

The result of 43 - 18 is 25.

Tags

CCSS.7.NS.A.1C

Front

What does it mean to borrow in subtraction?

Back

Borrowing in subtraction means taking 1 from the next higher place value to make the current digit larger, allowing for the subtraction to be performed.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in subtracting 70 - 25?

Back

The first step is to look at the ones place; since 0 is less than 5, you need to regroup from the tens place.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

How do you perform 67 + 15?

Back

To perform 67 + 15, add the ones place (7 + 5 = 12, write down 2 and carry over 1) and then add the tens place (6 + 1 + 1 = 8), resulting in 82.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

What is the importance of place value in subtraction?

Back

Place value is important in subtraction because it determines how digits are aligned and how borrowing is performed when the top digit is smaller than the bottom digit.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

Front

What is the result of 55 + 37?

Back

The result of 55 + 37 is 92.

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

Front

How do you check your subtraction answer?

Back

To check your subtraction answer, you can add the difference to the smaller number; if it equals the larger number, your answer is correct.

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7