Subtracting 2-Digit Numbers Using Column Method

This video tutorial demonstrates how to subtract two-digit numbers using column subtraction. It includes three examples: 87 minus 52, 64 minus 47, and 92 minus 83. The tutorial explains the importance of aligning numbers by tens and ones, and introduces borrowing when necessary. Each example is broken down step-by-step to ensure understanding of the column subtraction method.

What is the first step in column subtraction?

• Add the digits in the tens column

• Borrow from the tens column

• Subtract the digits in the ones column

• Line up the numbers by their place values

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

In the example 87 - 52, what is the result of subtracting the ones column?

• 3

• 5

• 7

• 2

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the final answer for the subtraction 87 - 52?

• 45

• 25

• 35

• 55

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

In the example 64 - 47, why do we need to borrow from the tens column?

• Because 4 is less than 6

• Because 4 is less than 7

• Because 6 is less than 4

• Because 7 is less than 4

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

After borrowing in the example 64 - 47, what does the ones column become?

• 11

• 12

• 14

• 13

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the final answer for the subtraction 64 - 47?

• 17

• 37

• 47

• 27

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

In the example 92 - 83, what is the result of subtracting the ones column after borrowing?

• 8

• 9

• 10

• 11

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the final answer for the subtraction 92 - 83?

• 11

• 9

• 10

• 8

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the purpose of borrowing in column subtraction?

• To ensure the top digit is larger

• To simplify the subtraction

• To make the numbers equal

• To add more digits

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CCSS.6.NS.B.3

What should you always remember when setting up numbers for column subtraction?

• Line up the numbers by their place values

• Always borrow from the ones column

• Start subtracting from the left

• Add the digits first

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2