Adding Double Digit Numbers Without Regrouping

The video tutorial on the Dell Learning Channel teaches students how to add double digits without regrouping. It begins with an introduction and preparation, followed by an explanation of place value. The tutorial then presents two methods for addition: adding tens and ones separately, and adding numbers straight down. The video concludes with recommendations for practice and further learning.

What should you have ready before starting the lesson?

• A piece of paper

• A ruler

• A calculator

• A textbook

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CCSS.5.NBT.B.7

What does the 'T' stand for in place value?

• Tens

• Threes

• Twos

• Thousands

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CCSS.4.NBT.A.1

Why is it important to understand place value when adding double digits?

• To divide numbers correctly

• To multiply numbers accurately

• To separate tens and ones correctly

• To know where to put the decimal point

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the first method, what does the number 2 represent in the tens place?

• 200

• 2

• 2000

• 20

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CCSS.4.NBT.A.1

How many tens are there in the number 30?

• 4

• 3

• 2

• 1

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CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the sum of 20 and 30 in the first method?

• 40

• 50

• 60

• 70

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CCSS.2.NBT.B.5

In the second method, what is the sum of 4 and 1?

• 5

• 4

• 6

• 3

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CCSS.1.OA.A.1

In the second method, what is the sum of 2 and 3?

• 4

• 5

• 6

• 7

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CCSS.1.OA.A.1

Where should you write the final answer in the second method?

• Next to the line

• On the line

• Below the line

• Above the line

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CCSS.6.NS.B.3

What should you do after watching the video to master adding double digits?

• Move on to another topic

• Practice with worksheets

• Watch the video once

• Take a break

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5