Addition and Subtraction with regrouping

Front

What is regrouping in addition and subtraction?

Back

Regrouping is the process of rearranging groups of ten or hundred in order to perform addition or subtraction more easily.

Tags

CCSS.2.NBT.B.7

Front

How do you subtract two-digit numbers with regrouping?

Back

To subtract two-digit numbers with regrouping, you may need to borrow from the next higher place value if the top digit is smaller than the bottom digit.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 82 - 47?

Back

The result is 35.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 56 - 29?

Back

The result is 27.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 63 - 26?

Back

The result is 37.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

How do you add two-digit numbers?

Back

To add two-digit numbers, align the numbers by place value and add each column, starting from the right.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 254 + 56?

Back

The result is 310.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the result of 68 - 59?

Back

The result is 9.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

What is the importance of place value in addition and subtraction?

Back

Place value helps in aligning numbers correctly and understanding the value of each digit in a number.

Tags

CCSS.2.NBT.B.7

Front

What is borrowing in subtraction?

Back

Borrowing is the process of taking one from the next higher place value to make a digit larger when subtracting.

Tags

CCSS.7.NS.A.1C