Exploring Number Forms: Standard, Expanded, and Word

The video tutorial explains how numbers can be represented in three forms: standard, expanded, and word form. It details how each form is used, with examples illustrating the value of digits in standard and expanded forms, and how to correctly write numbers in word form, including the use of hyphens and the replacement of commas with words like 'thousand'.

Which of the following is NOT a form in which numbers can be written?

• Standard form

• Expanded form

• Word form

• Fraction form

What does the digit '4' represent in the number 42,563?

• Four groups of 1,000

• Four groups of 10,000

• Four groups of 100

• Four groups of 10

In expanded form, what does the digit '5' represent in the number 42,563?

• Five groups of 1

• Five groups of 100

• Five groups of 10

• Five groups of 1,000

How do you write the number 42,563 in expanded form?

• 40,000 + 200 + 50 + 60 + 3

• 4,000 + 2,000 + 500 + 60 + 3

• 40,000 + 2,000 + 50 + 6 + 3

• 40,000 + 2,000 + 500 + 60 + 3

Which of the following is the correct word form for the number 12?

• Two

• Twelfth

• Twenty

• Twelve

When writing numbers in word form from the thousands place up, what should replace the comma?

• A space

• The word 'thousand'

• The word 'and'

• A hyphen

Which of the following is the correct way to write 42,500 in word form?

• Forty-two and five hundred

• Forty-two thousand and five hundred

• Forty-two thousand five hundred

• Forty-two thousand and fifty hundred

What is the correct way to write 15,345 in word form?

• Fifteen thousand three hundred forty-five

• Fifteen thousand three hundred and forty five

• Fifteen thousand three hundred and forty-five

• Fifteen thousand three hundred forty five

What is a key tip for writing large numbers correctly?

• Use a comma instead of a hyphen

• Always use the word 'and'

• Write the number in digits

• Write only the words you say when reading the number

Which of the following numbers should have a hyphen between the words?

• Twenty-one

• One hundred

• One thousand

• Ten