Subtracting 1-Digit from 2-Digit Numbers Using Column Method

Why is it important to line up numbers correctly in column subtraction?

• To make the numbers look neat

• To make the subtraction easier

• To ensure the digits are in the correct place value

• To avoid using a calculator

In the example 24 - 6, what do you do when you can't subtract 6 from 4?

• Add 10 to the ones column

• Borrow a ten from the tens column

• Skip the subtraction

• Subtract 4 from 6 instead

After borrowing a ten in the example 24 - 6, what is the new subtraction problem in the ones column?

• 4 - 6

• 10 - 6

• 24 - 6

• 14 - 6

What is the final answer to the subtraction problem 24 - 6?

• 16

• 18

• 20

• 22

In the example 34 - 7, what is the first step after lining up the numbers?

• Subtract the ones column

• Add a ten to the ones column

• Subtract the tens column

• Borrow a ten from the tens column

What is the new subtraction problem in the ones column after borrowing a ten in the example 34 - 7?

• 24 - 7

• 14 - 7

• 4 - 7

• 10 - 7

What is the final answer to the subtraction problem 34 - 7?

• 28

• 30

• 27

• 29

In the example 32 - 8, what do you do when you can't subtract 8 from 2?

• Skip the subtraction

• Subtract 2 from 8 instead

• Add 10 to the ones column

• Borrow a ten from the tens column

What is the new subtraction problem in the ones column after borrowing a ten in the example 32 - 8?

• 12 - 8

• 2 - 8

• 10 - 8

• 22 - 8

What is the final answer to the subtraction problem 32 - 8?

• 28

• 26

• 24

• 22