Mastering 2-Digit Subtraction with Regrouping

In this video tutorial, Kylie introduces the concept of subtracting two-digit numbers using the regrouping technique. The video begins with a review of place value, emphasizing its importance in subtraction. Kylie then demonstrates a basic subtraction problem without regrouping, followed by a more complex example that requires regrouping. The tutorial includes practice problems and encourages viewers to continue practicing through online games and quizzes.

What is the value of the digit 4 in the number 46?

• 400

• 4

• 40

• 4,000

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CCSS.4.NBT.A.1

In the number 46, which digit is in the ones place?

• 4

• 0

• 6

• 46

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CCSS.4.NBT.A.1

When subtracting 23 from 46, what is the result?

• 33

• 43

• 23

• 13

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CCSS.2.OA.A.1

What is the first step in subtracting two-digit numbers?

• Subtract the tens place

• Subtract the ones place

• Add the numbers

• Multiply the numbers

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CCSS.7.NS.A.1C

What should you do if there are not enough ones to subtract?

• Regroup or borrow from the tens place

• Skip the problem

• Add more ones

• Panic and run away

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CCSS.2.NBT.B.7

In the number 32, how many tens are there?

• 32

• 30

• 3

• 2

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CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

After regrouping, what is the new value of the ones place in 32?

• 22

• 12

• 2

• 10

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the result of 44 minus 29?

• 15

• 16

• 17

• 18

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the purpose of regrouping in subtraction?

• To make the problem harder

• To add more numbers

• To make subtraction possible when there are not enough ones

• To skip the problem

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CCSS.5.NBT.B.7

What should you do after regrouping the tens place?

• Subtract the ones place

• Add the ones place

• Skip the problem

• Multiply the ones place

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5