This video tutorial explains how to perform addition using expanded form. It begins by demonstrating how to write numbers in expanded form, such as converting 14 to 10 + 4 and 27 to 20 + 7. The tutorial then shows how to add these expanded numbers step by step, first adding the tens and then the units, resulting in a final total. The lesson concludes by confirming the sum of 14 and 27 as 41.

What is the main topic of this lesson?

• Multiplication using expanded form

• Subtraction using expanded form

• Division using expanded form

• Addition using expanded form

How is the number 14 represented in expanded form?

• 1 + 4

• 10 + 4

• 14 + 0

• 4 + 10

What is the expanded form of 27?

• 7 + 20

• 27 + 0

• 20 + 7

• 2 + 7

What is the first step in adding numbers in expanded form?

• Add the numbers as they are

• Add the hundreds first

• Add the tens first

• Add the units first

What is the sum of 10 and 20 in the expanded form?

• 40

• 30

• 20

• 50

What is the sum of 4 and 7 in the expanded form?

• 12

• 9

• 10

• 11

Which numbers are added first in expanded form addition?

• Thousands

• Hundreds

• Tens

• Units

What is the expanded form of 30?

• 20 + 10

• 10 + 20

• 30 + 0

• 3 + 0

What is the result of adding 10 and 4 in expanded form?

• 12

• 13

• 14

• 15

What is the result of adding 20 and 7 in expanded form?

• 29

• 27

• 26

• 28