Video to Explanation of place value lesson

• THE VALUE OF A DIGIT DEPENDS ON ITS PLACE IN A
  NUMBER.
• Read whole numbers.
• Write whole numbers

Reading Large Numbers

• Periods
• The digits in large numbers are in groups of
  three places (hundreds, tens, and ones places.)
  The groups are called periods
• Millions Period Thousands Period Ones Period

How would you read this number?
Start at the left. Read to the first comma. Say the name of the period. Two million
Read to the second comma. Say the name of the next period. Four hundred sixty- nine thousand
Read the three- digit number in the ones period. You dont say the name of the ones period. Six hundred

Lets Try
Millions Period Thousands Period Ones Period
Ninety one million, four hundred two thousand,
six hundred.

Reading Numbers Practice

• 4,578
• 65,387
• 876,965
• 6,345,233
• 75,325,832
• 923,876,288

Writing Numbers

• Standard Form A way to write numbers that shows
  the place value of each digit. The standard form
  for the number
• two hundred six is 206.
• Expanded Form A way to write numbers that shows
  the place value of each digit.
• The expanded form for the number 3689 is
• 3000600809 3689
• Written Form A way to write numbers that shows
  the place value of each digit.
• The written form of the number 289 is simply
  289.

Expanded Form

• A way to write numbers that shows the place value
  of each digit.
• Example
• 8,768 = 8000+700+60+8