Understanding Expanded and Standard Form

The video tutorial teaches students how to convert numbers from expanded form to standard form. It begins with an introduction to the concept, followed by an explanation of place value. The teacher then demonstrates the step-by-step process of converting each number, emphasizing the importance of placing zeros correctly to maintain the number's value. The tutorial concludes with the final standard form of the number.

What is the first step in converting a number from expanded form to standard form?

• Multiply each digit by ten

• Write the number in words

• Add all the numbers together

• Identify the place value of each digit

Which of the following numbers is presented in expanded form?

• 4, 5, 0, 1, 2, 5

• 400,000 + 50,000 + 20 + 100 + 5

• 450,125

• Four hundred fifty thousand one hundred twenty-five

In the number 50,000, which place value does the digit '5' represent?

• Hundred thousands

• Hundreds

• Thousands

• Ten thousands

Where should the number 20 be placed in the place value chart?

• Thousands place

• Ones place

• Tens place

• Hundreds place

What is the correct place value for the number 400,000?

• Ten thousands

• Hundred thousands

• Thousands

• Millions

Why is it important to include zeros in the thousands place?

• To make calculations easier

• To make the number look bigger

• To ensure the number does not shift

• To add more digits to the number

What is the standard form of the number 400,000 + 50,000 + 20 + 100 + 5?

• 450,125

• 405,125

• 450,215

• 405,215

Which digit is in the hundreds place in the number 450,125?

• 2

• 1

• 5

• 4

What is the value of the digit '4' in the number 450,125?

• 40,000

• 4,000

• 4

• 400,000

Which number is in the ones place in the number 450,125?

• 0

• 2

• 5

• 1