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Understand place value up to millions and write numbers in different forms
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Each digit in a number has a value based on its position:
Example: 3,456,789
| Millions | Hundred Thousands | Ten Thousands | Thousands | Hundreds | Tens | Ones |
|---|---|---|---|---|---|---|
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
This number is: 3 million, 456 thousand, 789
What is the value of the digit 6 in 2,684,301?
Solution:
Look at the place value chart:
Value:
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The regular way we write numbers: 3,456,789
Writing the number in words: three million, four hundred fifty-six thousand, seven hundred eighty-nine
Showing the value of each digit:
Compare digits from left to right:
Answer: 600,000 (six hundred thousand)
Write 4,507,032 in expanded form.
Solution:
Break down each digit by its place value:
Or simply:
Answer:
Which number is greater: 8,456,210 or 8,462,105?
Solution:
Compare digit by digit from left to right:
Since in the ten thousands place:
Answer: 8,462,105 is greater