Understanding Place Value and Number Forms

What is the standard form of the number 'twelve'?

• 120

• 12

• 21

• 102

If a number is written as 945 in word form, how would it appear in standard form?

• 954

• 459

• 945

• 495

Which of the following represents the number 4952 in expanded form?

• 4000 + 90 + 50 + 2

• 40 + 90 + 5 + 2

• 400 + 90 + 5 + 2

• 4000 + 900 + 50 + 2